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## Physics

### Upcoming Events

 Event Date Summary Jonathan Ouellet (MIT) Tue. November 13th, 2018 11:30 am-12:30 pm First Results from the ABRACADABRA-10cm Prototype The evidence for the existence of Dark Matter is well supported by many cosmological Joe Trodahl, Victoria University of Wellington, Rare-earth nitrides; semiconductors, spin/orbit magnetism, tunnelling MRAM, superconductivity Mon. November 12th, 2018 12:45 pm-1:45 pm Rare-earth nitrides; semiconductors, spin/orbit magnetism, tunnelling MRAM, superconductivity Joe Trodahl  MacDiarmid Institute for Advanced Materials and Nanotechnology Victoria University of Pino Strangi (CWRU Physics) Thu. November 8th, 2018 4:00 pm-5:00 pm Plasmons at the Interface Between Physics and Cancer Nanotechnology: The Next Big Thing will be at the Nanoscale In recent F. De Angelis, Istituto Italiano di Tecnologia, Genoa, Italy, 3D plasmonic nanostructures for biology and medicine Mon. November 5th, 2018 12:45 pm-1:45 pm 3D plasmonic nanostructures for biology and medicine Francesco De Angelis Istituto Italiano di Tecnologia, Genoa, Italy In this talk we Federico Capasso (Harvard Univ) Thu. November 1st, 2018 4:00 pm-5:00 pm Flat Optics: from Metalenses to New Polarization Optics and New Routes to Vector Beam Generation  Arrays of optically thin, sub-wavelength Francesc Ferrer (Washington University) Tue. October 30th, 2018 11:30 am-12:30 pm Primordial black holes in the wake of LIGO The detection of gravitational waves from the merger of black holes of Ezekiel Johnston-Halperin, The Ohio State University, Quantum Magnonics in V[TCNE]2 Mon. October 29th, 2018 12:45 pm-1:45 pm Quantum Magnonics in V[TCNE]2   The study of quantum coherent magnonic interactions relies implicitly on the ability to excite and Mike Martens (CWRU Physics) Thu. October 25th, 2018 4:00 pm-5:00 pm Conserving Helium: A story of MgB2 superconducting wire and MRI magnets The fabrication of MgB2 superconducting wire has enabled the Georgia Karagiorgi (Columbia University) Thu. October 18th, 2018 4:00 pm-5:00 pm The art of neutrino detection: What does it take, and why? Neutrinos are fundamental blocks of matter. As we’ve learned Xiaoju Xu (University of Utah) Tue. October 16th, 2018 11:30 am-12:30 pm Multivariate Dependent Halo and Galaxy Assembly Bias Galaxies form in dark matter halos, and their properties and distributions are connected Sergey Kravchenko, Northeastern University, The latest developments in the field of the metal-insulator transition in 2D Mon. October 15th, 2018 12:45 pm-1:45 pm Sergey Kravchenko, Northeastern University The latest developments in the field of the metal-insulator transition in 2D Abstract: Ignited by the Brian Keating (UC San Diego) Thu. October 11th, 2018 4:00 pm-5:00 pm Fundamental Physics with the Simons Observatory The Simons Observatory is a new cosmic microwave background experiment being built on Cerro Brad Benson (University of Chicago) Tue. October 9th, 2018 11:30 am-12:30 pm New Results from the South Pole Telescope I will give an overview of the South Pole Telescope (SPT), a 10-meter Tim Linden (Ohio State University) Fri. October 5th, 2018 12:45 pm-1:45 pm Evidence for a New Component of Solar Gamma-Ray Emission The Sun is not expected to be a bright gamma-ray source Tim Linden (Ohio State University) Thu. October 4th, 2018 4:00 pm-5:00 pm 2018 Michelson Postdoctoral Prize Lecture 3: Colloquium  Indirect Searches for Weakly-Interacting Massive Particles Recent observations at gamma-ray and radio energies, as Tim Linden (Ohio State University) Tue. October 2nd, 2018 11:30 am-12:30 pm 2018 Michelson Postdoctoral Prize Lecture 2 The Rise of the Leptons: Emission from Pulsars will Dominate the next Decade of Tim Linden (Ohio State University) Mon. October 1st, 2018 12:45 pm-1:45 pm Michelson Postdoctoral Prize Lecture 1 Astrophysical Signatures of Dark Matter Accumulation in Neutron Stars Over the past few decades, terrestrial Dan Hooper (Fermilab) Thu. September 27th, 2018 4:00 pm-5:00 pm The WIMP is Dead. Long Live the WIMP!   Abstract: Although weakly interacting massive particles (WIMPs) have long been the Mahmoud Parvizi (Vanderbilt University) Tue. September 25th, 2018 11:30 am-12:30 pm Cosmological Observables via Non-equilibrium Quantum Dynamics in Non-stationary Spacetimes Abstract:  In nearly all cases cosmological observables associated with quantum matter Alkan Kabakcioglu, Koc University, DNA folding thermo/dynamics with a twist Mon. September 24th, 2018 12:45 pm-1:45 pm DNA folding thermo/dynamics with a twist Alkan Kabakcioglu, Koc University, Istanbul DNA denaturation is possibly one of the earliest problems Charles Rosenblatt (CWRU Physics) Thu. September 20th, 2018 4:00 pm-5:00 pm Manipulation of Topological Defects in Liquid Crystals  A topological defect (TD) occurs at a wall, line, or point where the Miguel Zumalacarregui (UC Berkeley & IPhT Saclay) Tue. September 18th, 2018 11:30 am-12:30 pm The Dark Universe in the Gravitational Wave Era Evidence shows that we live in a universe where 95% of the no seminar/faculty meeting Mon. September 17th, 2018 12:45 pm-2:00 pm Laura Grego (Union of Concerned Scientists) Thu. September 13th, 2018 4:00 pm-5:00 pm Missile Defense and Space Weapons Missile defenses and space weapons have been pursued at modest levels for many decades, but Andre De Gouvea (Northwestern Univ.) Fri. September 7th, 2018 12:45 pm-1:45 pm Chiral Dark Sectors, Neutrino Masses, and Dark Matter I discuss the hypothesis that there are new chiral fermions particles that Andre De Gouvea (Northwestern University) Thu. September 6th, 2018 4:00 pm-5:00 pm The Brave nu World I review the current theoretical and phenomenological status of neutrino physics. I will discuss our current understanding Anastasia Fialkov (Harvard Univ.) Tue. August 7th, 2018 11:30 am-12:30 pm SHINING LIGHT INTO COSMIC DARK AGES The first billion years is the least-explored epoch in cosmic history. The first claimed detection Amy Connolly (The Ohio State University) Tue. May 8th, 2018 11:30 am-12:30 pm High Energy Neutrino Astronomy through Radio Detection  Multimessenger astronomy has entered an exciting new era with the recent discovery of Stuart Raby (Ohio State University) Tue. May 1st, 2018 11:30 am-12:30 am Fitting amu and B physics anomalies with a Z’ and a Vector-like 4th family in the Standard Model The Standard Model Laura Gladstone (CWRU Physics) Thu. April 26th, 2018 4:00 pm-5:00 pm Report from the International Conference on Women in Physics: Reaching Towards Equity and Inclusion   In July 2017, I was Tyce DeYoung (Michigan State University) Tue. April 24th, 2018 11:30 am-12:30 am First light at the IceCube Neutrino Observatory The IceCube Neutrino Observatory, the world’s largest neutrino detector, monitors a cubic kilometer Wei-Cheng Lee, Binghamton University-SUNY, Orbital Selective Mott Transition in Thin Film VO2 Mon. April 23rd, 2018 12:45 pm-1:45 pm Orbital Selective Mott Transition in Thin Film VO2 Wei-Cheng Lee Department of Physics, Applied Physics, and Astronomy, Binghamton University – Jacob Scott (Cleveland Clinic) Thu. April 19th, 2018 4:00 pm-5:00 pm Learning to perturb the evolutionary mechanisms driving drug resistance in cancer and microbes: an integrated theoretical and experimental approach. The Camille Avestruz (Kavli Institute for Cosmological Physics, University of Chicago) Tue. April 17th, 2018 11:30 am-1:30 pm Computationally Probing Large Structures We can constrain cosmological parameters by measuring patterns in the large scale structure of our universe, Fac. meeting Mon. April 16th, 2018 12:45 pm-1:45 pm Dimitar Sasselov (Harvard University) Thu. April 12th, 2018 4:00 pm-5:00 pm Ocean Worlds: from Familiar to Exotic and Extreme Planets   Water is a common molecule in the the galaxy and Jesse Berezovsky (CWRU Physics) Thu. April 5th, 2018 4:00 pm-5:00 pm The Broken Symmetry of Music: Applying Statistical Physics to Understand the Structure of Music The ubiquity of music throughout history and Hayden Lee (Harvard University) Tue. April 3rd, 2018 11:30 am-12:30 am Collider Physics for Inflation Cosmological correlation functions encode the spectrum of particles during inflation, in analogy to scattering amplitudes in Susan Fullerton, University of Pittsburgh, Using Ions to Control Transport in 2D Materials Mon. April 2nd, 2018 12:45 pm-1:45 pm Using Ions to Control Transport in 2D Materials Susan Fullerton, University of Pittsburgh   Electrostatic gating of two-dimensional (2D) materials Olle Heinonen, Argonne National Laboratories, Quantum Monte Carlo modeling of real materials Fri. March 30th, 2018 3:30 pm-4:30 pm Quantum Monte Carlo modeling of real materials Olle Heinonen, Argonne National Laboratory   Because of recent advances in algorithms and TBA Thu. March 29th, 2018 4:00 pm-5:00 pm Benjamin Fregoso, Dept of Physics, Kent State University, Nonlinear photocurrents in two-dimensional ferroelectrics and beyond Wed. March 28th, 2018 12:45 pm-1:45 pm Nonlinear photocurrents in two-dimensional ferroelectrics and beyond Benjamin Fregoso, Dept. of Physics, Kent State University Abstract: In recent years, it Segev BenZvi (University of Rochester) Tue. March 27th, 2018 11:30 am-12:30 am The Latest Results from the HAWC Very High-Energy Gamma-ray Survey The High Altitude Water Cherenkov (HAWC) observatory, located in central Sebastian Deffner (Univ Maryland Baltimore County) Thu. March 22nd, 2018 4:00 pm-5:00 pm Quantum speed limits: from Heisenberg’s uncertainty principle to optimal quantum control One of the most widely known building blocks of Katy Keenan Applied Physics Division, Physical Measurement Lab National Institute of Standards and Technology Quantitative MRI for Precision Medicine Thu. March 22nd, 2018 2:00 pm-3:00 pm IMAGING PHYSICS SEMINAR Katy Keenan Applied Physics Division, Physical Measurement Lab National Institute of Standards and Technology Quantitative MRI for Cliff Cheung (Caltech) Tue. March 20th, 2018 11:30 am-12:30 pm Unification from Scattering Amplitudes   The modern S-matrix program offers an elegant approach to bootstrapping quantum field theories without the Debra McGivney, Dept. Radiology CWRU, Inverse Problems in Medical Imaging Tue. March 20th, 2018 1:00 pm-2:00 pm IMAGING PHYSICS SEMINAR Debra McGivney Research Scientist, Department of Radiology Case Western Reserve University Inverse Problems in Medical Imaging Mathematical Yuan-Ming Lu, The Ohio State University, Tunable Surface States of Topological Materials Mon. March 19th, 2018 12:45 pm-1:45 pm Tunable Surface States of Topological Materials Yuan-Ming Lu, The Ohio State University   The discovery of topological insulators revealed a Spring Break Thu. March 15th, 2018 4:00 pm-5:00 pm Alexey Tonyushkin University of Massachusetts Boston, Breaking the Rules in Magnetic Particle Imaging and Ultra-High Field MRI Thu. March 15th, 2018 12:30 pm-1:30 pm IMAGING PHYSICS SEMINAR Alexey Tonyushkin University of Massachusetts Boston Breaking the Rules in Magnetic Particle Imaging and Ultra-High Field MRI Spring break ( no seminar) Mon. March 12th, 2018 12:45 pm-1:45 pm Michael Boss, NIST, Quantitative MRI: from Bench to Bedside Mon. March 12th, 2018 4:30 pm-5:30 pm IMAGING PHYSICS SEMINAR Michael Boss National Institute of Standards and Technology Quantitative MRI: from Bench to Bedside Quantitative MRI: from APS March Meeting Thu. March 8th, 2018 4:00 pm-5:00 pm John Beacom (The Ohio State University) Tue. March 6th, 2018 11:30 am-12:30 pm A New Era for Solar Neutrinos Abstract: Studies of solar neutrinos have been tremendously important, revealing the nature of the Sun’s APS March Meeting ( no seminars) Mon. March 5th, 2018 12:45 pm-1:45 pm Lindley Winslow (MIT) Thu. March 1st, 2018 4:00 pm-5:00 pm First Results from CUORE:  Majorana Neutrinos and the Search for Neutrinoless Double-Beta Decay The neutrino is unique among the Standard Lindley Winslow (MIT) Wed. February 28th, 2018 1:30 pm-2:00 pm First Results from CUORE: Majorana Neutrinos and the Search for Neutrinoless Double-Beta Decay The neutrino is unique among the Standard Model APS March Meeting preview: student practice talks Mon. February 26th, 2018 12:30 pm-2:00 pm Shuhao Liu:  A Temperature Driven Hole-phonon Coupling Enhancement Effect in a Strongly Correlated 2D Hole System. Kasun V. M. N. Andrew Stephens, Northwestern U., Separating the role of chromatin from lamins in mechanics and morphology of the cell nucleus Thu. February 22nd, 2018 4:30 pm-5:30 pm Separating the role of chromatin from lamins in mechanics and morphology of the cell nucleus Andrew Stephens, Northwestern U. The Richard Ruiz (IPPP-Durham, UK) Tue. February 20th, 2018 11:30 am-12:30 am Left–Right Symmetry: At the Edges of Phase Space and Beyond The Left–Right Symmetric model (LRSM) remains one of the best Fac. meeting Mon. February 19th, 2018 12:45 pm-1:45 pm No seminar physics fac. meeting Lydia Kisley, Univ. Illinois at Urbana-Champaign, Proteins in nanoporous hydrogels: adsorption, diffusion, and folding Mon. February 19th, 2018 4:30 pm-5:30 pm Proteins in nanoporous hydrogels: adsorption, diffusion, and folding Lydia Kisley Beckman Institute, University of Illinois at Urbana-Champaign Abstract:  Proteins within Ilya Gruzberg (Ohio State University) Thu. February 15th, 2018 4:00 pm-5:00 pm Mysteries of the quantum Hall staircase Quantum Hall effects are a very rich subject in condensed matter physics with many Andrew J. Long (Kavli Institute for Cosmological Physics, University of Chicago) Tue. February 13th, 2018 11:30 am-12:30 am Testing baryons from bubbles with colliders and cosmology   “Why is there more matter than antimatter?”  This simple question is arguably The 2017 Nobel Prizes: What were they given for? Thu. February 8th, 2018 4:00 pm-5:00 pm Harsh Mathur (Physics) on the prize in Physics; Phoebe Stewart (Pharmacology) on the prize in Chemistry; Peter Harte (Genetics and Ayres Freitas (University of Pittsburgh) Tue. February 6th, 2018 11:30 am-12:30 am Radiative Corrections in Universal Extra Dimensions Universal extra dimensions is an interesting extension of the Standard Model that is naturally David McKeen (University of Pittsburgh) Tue. January 30th, 2018 11:30 am-12:30 am Neutrino Portal Dark Matter Dark matter that interacts with the standard model (SM) through the “neutrino portal” is a possibility Maxim Dzero, Kent State University, Spins & Knots: The rise of Topology in f-orbital materials Mon. January 29th, 2018 12:45 pm-1:45 pm Spins & Knots: The rise of Topology in f-orbital materials Maxim Dzero Kent State University In my talk I will Anders Johan Andreassen (Harvard University) Tue. January 23rd, 2018 11:30 am-12:30 pm Tunneling in Quantum Field Theory and the Ultimate Fate of our Universe One of the most concrete implications of the Elshad Allahyarov, Duisburg-Essen University and CWRU, Smectic monolayer confined on a sphere: topology at the particle scale Mon. January 22nd, 2018 12:45 pm-1:45 pm Prof. Dr. Elshad Allahyarov,  Duisburg-Essen University, Germany, and  Physics Department  CWRU Smectic monolayer confined on a sphere: topology at the Peter Armitage (Johns Hopkins) Thu. January 18th, 2018 4:00 pm-5:00 pm On Ising’s model of ferromagnetism The 1D Ising model is a classical model of great historical significance for both classical Dragan Huterer (U. Michigan) Fri. December 1st, 2017 12:45 pm-1:45 pm title and abstract tba Dragan Huterer (Univ Michigan) Thu. November 30th, 2017 4:00 pm-5:00 pm New Views of the Universe I will discuss how progress in cosmology over the past decade has improved our understanding of Samo Kralj, University of Maribor, Impact of intrinsic and extrinsic curvature on membrane shapes Wed. November 29th, 2017 12:30 pm-1:30 pm Prof. Samo Kralj University of Maribor, Maribor & Jožef Stefan Institute, Ljubljana, Slovenia    Impact of intrinsic and extrinsic curvature Arthur Kosowsky (Pittsburgh) Tue. November 28th, 2017 11:30 am-12:30 pm title and abstract tba No seminar, Faculty meeting Mon. November 27th, 2017 12:45 pm-2:00 pm Farida Selim, Bowling Green State University, Positron Annihilation Spectroscopy and Measurements of Origin of Novel Electronic Phenomena in Semiconductors and Oxides Mon. November 20th, 2017 12:45 pm-1:45 pm Positron Annihilation Spectroscopy and Measurements of Origin of Novel Electronic Phenomena in Semiconductors and Oxides     Farida A. Selim, Department of A.H. Heuer (CWRU Materials Science and Engineering) Thu. November 16th, 2017 4:00 pm-5:00 pm Mechanism of Aluminum-Oxide Scale Formation on some High-Temperature Structural Alloys The formation of Al2O3 scale on high-temperature structural alloys is Simone Aiola (Princeton) Tue. November 14th, 2017 11:30 am-12:30 pm Cosmology with ACTPol and AdvACT The bolometric polarimeter at the focal plane of the Atacama Cosmology Telescope allows us to Vincent Sokalski, Carnegie Mellon University, A New Kind of Magnetism – The Dzyaloshinskii-Moriya Interaction Mon. November 13th, 2017 12:45 pm-1:45 pm A New Kind of Magnetism – The Dzyaloshinskii-Moriya Interaction Vincent Sokalski, Dept. of Materials Science and Engineering, Carnegie Mellon University Xuan Gao (CWRU Physics) Thu. November 9th, 2017 4:00 pm-5:00 pm 2D Materials: from Semiconductors to Topological Insulators Abstract: Since the first isolation of one-atom thick graphene, research on two-dimensional (2D) materials Jeanie Lau, The Ohio State University, Spin, Charge and Heat Transport in Low-Dimensional Materials Mon. November 6th, 2017 12:45 pm-1:45 pm Spin, Charge and Heat Transport in Low-Dimensional Materials Chun Ning (Jeanie) Lau Department of Physics, The Ohio State University, Columbus, James Bonifacio (Oxford and CWRU) Tue. October 31st, 2017 11:30 am-12:30 pm Title: Amplitudes for massive spinning particles  Abstract: I will review a method for constructing scattering amplitudes for spinning particles and Peter Lu (Harvard University) Thu. October 26th, 2017 4:00 pm-5:00 pm Gelation of Particles with Short-ranged Attraction Nanoscale or colloidal particles are exceptionally important in many realms of science and technology. Peter Lu (Harvard University) (Not a Colloquium but of related interest) Wed. October 25th, 2017 5:00 pm-6:00 pm Lecture co-sponsored by the departments of Physics and Art History, the Baker-Nord Center for the Humanities, and the Cleveland Museum Jason Alicea (Caltech) Thu. October 19th, 2017 4:00 pm-5:00 pm Majorana Materializes  In 1937 Ettore Majorana introduced the concept of what are now fittingly called Majorana fermions — fermionic particles Lloyd Knox (UC Davis) Tue. October 17th, 2017 11:30 am-12:30 pm The Standard Cosmological Model: A Status Report Overall, the standard cosmological model has enjoyed enormous empirical success. But there are Eric Stinaff, Ohio University, Opto-electronic studies of novel self-contacted 2D materials based devices Mon. October 16th, 2017 12:45 pm-1:45 pm Opto-electronic studies of novel self-contacted 2D materials based devices Eric Stinaff Department of Physics and Astronomy, Ohio University Interest in No colloquium this week Thu. October 12th, 2017 4:00 pm-5:00 pm Rachel Bezanson (Pittsburgh) Tue. October 10th, 2017 11:30 am-12:30 pm Title: The Surprisingly Complex Lives of Massive Galaxies   Abstract: Massive galaxies reside in the densest and most evolved regions Michael Fisch, Kent State University, X-ray Experiments in Liquid Crystal Science and Technology Mon. October 9th, 2017 12:45 pm-1:45 pm X-ray Experiments in Liquid Crystal Science and Technology Michael Fisch Kent State University   The use of X-rays to study Indu Satija (George Mason University) Thu. October 5th, 2017 4:00 pm-5:00 pm Pure & Poetic: Butterfly in the Quantum World The Hofstadter butterfly is a fascinating two-dimensional spectral landscape – a graph No seminar, faculty meeting Mon. October 2nd, 2017 12:45 pm-2:00 pm Idit Zehavi (CWRU, Astronomy) Thu. September 28th, 2017 4:00 pm-4:00 pm Galaxy Clustering and the Galaxy-Halo Connection In the contemporary view of the Universe, galaxies form and evolve in dark matter Tiziana Di Matteo (Carnegie Mellon) Tue. September 26th, 2017 11:30 am-12:30 pm The next massive galaxy and quasar frontier at the Cosmic Dawn Many of the advances in our understanding of cosmic Maosheng Miao, California State University Northridge, Automatic search versus chemical rules in materials structure study Mon. September 25th, 2017 12:45 pm-1:45 pm Automatic search versus chemical rules in materials structure study Maosheng Miao Department of Chemistry and Biochemistry, California State University Northridge Jeremy Levy (Univ Pittsburgh) Thu. September 21st, 2017 4:00 pm-5:00 pm Correlated Nanoelectronics  The study of strongly correlated electronic systems and the development of quantum transport in nanoelectronic devices have followed Laura Gladstone (CWRU) Tue. September 19th, 2017 11:30 am-12:30 pm Neutrinos: cool, cold, coldest   In all of particle physics, neutrinos are some of the most ghostly particles we’ve detected. Liang Wu, UC Berkeley, MPPL3, Antiferromagnetic resonance and in-gap terahertz continuum in Kitaev Honeycomb magnet α−RuCl3 Fri. September 15th, 2017 12:45 pm-1:45 pm Antiferromagnetic resonance and in-gap terahertz continuum in Kitaev Honeycone magnet α−RuCl3 Spin-1/2 moments in the antiferromagnetic Mott insulator α-RuCl3 are Liang Wu (Berkeley); Michelson Postdoctoral Prize Lecture Thu. September 14th, 2017 4:00 pm-5:00 pm Quantized electro-dynamical responses in topological materials Although solid-state systems are usually considered “dirty” with impurities and imperfections, it is still Liang Wu, University California Berkeley, MPPL2,Giant nonlinear optical responses in Weyl semimetals Tue. September 12th, 2017 11:30 pm-12:30 pm Giant nonlinear optical responses in Weyl semimetals Recently Weyl quasi-particles have been observed in transition metal monopnictides (TMMPs) such as Liang Wu, University California Berkeley, MPPL1, Low-energy Electrodynamics of 3D Topological Insulators Mon. September 11th, 2017 12:45 pm-1:45 pm Low-energy Electrodynamics of 3D Topological Insulators   Topological insulators (TIs) are a recently discovered state of matter characterized by an Mike Tamor (Ford Research) Thu. September 7th, 2017 4:00 pm-5:00 pm History, Geometry and the Future of Mobility For over a century the personal automobile has served as a highly adaptable Gabriela Marques, National Observatory of Rio de Janeiro and CWRU Tue. September 5th, 2017 11:30 am-12:30 pm title and abstract tba Jun Zhu (Penn State) Thu. August 31st, 2017 4:00 pm-5:00 pm Quantum valley Hall kink states and valleytronics in bilayer graphene Conventional field effect transistors control current transmission by controlling the Condensed Matter Seminar: Jie Gao, Missouri University of Science and Technology (University of Missouri – Rolla) Thu. May 11th, 2017 11:30 am-12:30 pm Jie Gao Missouri University of Science and Technology (University of Missouri – Rolla) Tailoring light-matter interaction with metamaterials and metasurfaces Sarah Shandera (Penn State) Tue. May 9th, 2017 11:00 am-12:00 pm Cosmological open quantum systems Our current understanding of the universe relies on an inherently quantum origin for the rich, inhomogeneous Paul Butler (Carnegie Institute of Washington) Thu. April 27th, 2017 4:00 pm-5:00 pm Planets Around Nearby Stars Modern science began with Copernicus speculating that the Earth is a planet and that all the Ema Dimastrogiovanni (CWRU) Tue. April 25th, 2017 11:00 am-12:00 pm Primordial gravitational waves: Imprints and search Discussed will be some interesting scenarios for the generation of gravitational waves from inflation CANCELED: Maosheng Miao, California State University Northridge,Simulate to discover: from new chemistry under high pressure to novel two-dimensional materials Mon. April 24th, 2017 12:45 am-1:45 am CANCELED. Will be rescheduled. Simulate to discover: from new chemistry under high pressure to novel two-dimensional materials   Maosheng Miao Juan de Pablo (University of Chicago) Thu. April 20th, 2017 4:00 pm-5:00 pm Nanoparticles in liquid crystals, and liquid crystals in nanoparticles.   Liquid crystals are remarkably sensitive to interfacial interactions. Small perturbations David Pace, General Atomics, San Diego, The Fast and the Furious: Energetic Ion Transport in Magnetic Fusion Devices Wed. April 19th, 2017 12:45 am-1:45 am The Fast and the Furious: Energetic Ion Transport in Magnetic Fusion Devices D.C. Pace and the DIII-D National Fusion Facility Team Matthew Johnson (Perimeter Institute) Tue. April 18th, 2017 11:00 am-12:00 pm Mapping Ultra Large Scale Structure Anomalies in the CMB on large angular scales could find an explanation in terms of Louis F. Piper, Binghamton University, Shining new light on old problems in lithium ion batteries Mon. April 17th, 2017 12:45 am-1:45 am Shining new light on old problems in lithium ion batteries   Louis Piper Binghamton University, State University of New York Lutz Schimansky-Geier (Humboldt University at Berlin) Thu. April 13th, 2017 4:00 pm-5:00 pm Active Brownian particles: From individual to collective behavior Single self-propelled particles as well as ensembles of self-propelled particles are examples David Chuss (Villanova) Tue. April 11th, 2017 11:00 am-12:00 pm The Cosmology Large Angular Scale Surveyor (CLASS) Precise observations of the cosmic microwave background have played a leading role in Nandini Trivedi, The Ohio State University, Novel magnetic phases in spin-orbit coupled oxides Mon. April 10th, 2017 12:45 pm-1:45 pm Novel magnetic phases in spin-orbit coupled oxides Nandini Trivedi,   Department of Physics, The Ohio State University   Abstract: I Cristina Marchetti (Syracuse) Thu. April 6th, 2017 4:00 pm-5:00 pm Active Matter: from colloids to living cells Collections of self-propelled entities, from living cells to engineered microswimmers, organize in a Donghui Jeong (Penn State) Tue. April 4th, 2017 11:00 am-12:00 pm Non-linearities in large-scale structure: Induced gravitational waves, non-linear galaxy bias I will present my recent work on non-linearities in large-scale Nate Stern, Northwestern University, Monolayer Semiconductor Opto-Electronics: Controlling Light and Matter in Two-Dimensional Materials Mon. April 3rd, 2017 12:45 pm-1:45 pm Monolayer Semiconductor Opto-Electronics: Controlling Light and Matter in Two-Dimensional Materials Nathaniel Stern Department of Physics and Astronomy, Northwestern University The Michael Weiss (CWRU Biochemistry) Thu. March 30th, 2017 4:00 pm-5:00 pm Origins, Evolution and Biophysics: an Ephemeral Golden Braid Douglas Hofstradter’s celebrated 1979 book, Gödel, Escher, Bach: An Eternal Golden Braid (“GEB”), Ben Monreal (CWRU) Tue. March 28th, 2017 11:00 am-12:00 pm Nuclei, neutrinos, and microwaves: searching for the neutrino mass in tritium decay When Enrico Fermi published his theory of beta Mark Wise (Caltech) Note non-standard time Thu. March 23rd, 2017 4:30 pm-5:30 pm Dark Matter Bound States and Indirect Dark Matter Signals Most of the mass density in our universe is not composed Paul Kelly, University of Twente, Turning up the heat in first principles Quantum Spin Transport Wed. March 22nd, 2017 12:45 pm-1:45 pm Turning up the heat in first principles Quantum SpinTransport  Paul J. Kelly Faculty of Science and Technology and MESA+ Institute Mauricio Bustamante (CCAPP, OSU) Tue. March 21st, 2017 11:00 am-12:00 pm Prospecting for new physics with high-energy astrophysical neutrinos High-energy astrophysical neutrinos, recently discovered by IceCube, are fertile ground to look No Seminar, APS March Meeting and Spring Break Mon. March 13th, 2017 1:00 am-1:00 am Herbert Levine (Rice Bioengineering) Thu. March 9th, 2017 4:00 pm-5:00 pm Can theoretical physics help cancer biology? The case of metastatic spread In order to spread from the primary tumor to Robert Caldwell (Dartmouth) Tue. March 7th, 2017 11:00 am-12:00 pm Cosmology with Flavor-Space Locked Fields We present new models of cosmic acceleration built from a cosmological SU(2) field in a Glenn Starkman (Physics) Thu. March 2nd, 2017 4:00 pm-5:00 pm An Uncooperative Universe: Large Scale Anomalies in the CMB The Cosmic Microwave Background Radiation is our most important source of information about Francesca F. Serra, Johns Hopkins University, Control of liquid crystals through topography for optics and assembly Mon. February 27th, 2017 12:45 pm-1:45 pm Control of liquid crystals through topography for optics and assembly  Dr. Francesca Serra  Physics and Astronomy  Johns Hopkins University Corbin Covault (CWRU) Thu. February 23rd, 2017 4:00 pm-5:00 pm A Cosmic Ray Astrophysicist’s Approach to the Optical Search for Extra Terrestrial Intelligence   For decades scientists have been searching Hamza Balci, Kent State University, A Single Molecule Approach to Study Protein, Small Molecule, and G-Quadruplex Mon. February 20th, 2017 12:45 pm-1:45 pm A Single Molecule Approach to Study Protein, Small Molecule, and  G-Quadruplex Interactions Hamza Balci Kent State University, Physics Department, Kent, – Thu. February 16th, 2017 4:00 pm-5:00 pm Matthew Baumgart (Perimeter Institute) Tue. February 14th, 2017 11:00 am-12:00 pm De Sitter Wavefunctionals and the Resummation of Time The holographic RG of Anti-De Sitter gives a powerful clue about the The 2016 Science Nobel Prizes – What were they given for? Thu. February 9th, 2017 4:00 pm-4:00 pm Harsh Mathur on the prize in Physics; Michael Hinczewski on the prize in Chemistry; and Alan Tartakoff on the prize Andrew Zentner (Pittsburgh) Tue. February 7th, 2017 11:00 am-12:00 pm The Power-Law Galaxy Correlation Function For nearly 40 years, the galaxy-galaxy correlation function has been used to characterize the distribution Saw-Wai Hla, Ohio University, Operating Individual Quantum Molecular Machines Mon. February 6th, 2017 12:45 pm-1:45 pm Operating Individual Quantum Molecular Machines Saw-Wai Hla  Department of Physics & Astronomy, Ohio University, OH 45701, USA and Nanoscience and – Thu. February 2nd, 2017 4:00 pm-5:00 pm Kurt Hinterbichler (CWRU) Tue. January 31st, 2017 11:00 am-12:00 pm Partially Massless Higher-Spin Gauge Theory The higher spin theories of Vasiliev are gauge theories that contain towers of massless particles Mike Boss, NIST, Physics and Impact of Quantitative Magnetic Resonance Imaging Mon. January 30th, 2017 12:45 pm-1:45 pm Physics and Impact of Quantitative Magnetic Resonance Imaging Michael Boss, Applied Physics Division National Institute of Standards and Technology, Boulder, Lucile Savary (MIT) — Michelson Postdoctoral Prize Lecturer Fri. January 27th, 2017 12:45 pm-1:45 pm Quantum Loop States in Spin-Orbital Models on the Honeycomb and Hyperhoneycomb Lattices In the quest for quantum spin liquids, the Lucile Savary (MIT) – Michelson Postdoctoral Prize Lecture Thu. January 26th, 2017 4:00 pm-5:00 pm Quantum Spin Liquids The search for truly quantum phases of matter is one of the center pieces of modern research Lucile Savary (MIT) — Michelson Postdoctoral Prize Lecturer Tue. January 24th, 2017 11:00 am-12:00 pm Quantum Spin Ice Recent work has highlighted remarkable effects of classical thermal fluctuations in the dipolar spin ice compounds, such Michael Snure, AFRL, Two dimensional BN an atomically thin insulator, substrate, and encapsulation layer from growth to application Mon. January 23rd, 2017 12:45 pm-1:45 pm Two dimensional BN an atomically thin insulator, substrate, and encapsulation layer from growth to application Michael Snure Air Force Research Lucile Savary (MIT) — Michelson Postdoctoral Prize Lecturer Mon. January 23rd, 2017 4:15 pm-5:15 pm A New Type of Quantum Criticality in the Pyrochlore Iridates The search for truly quantum phases of matter is one Kathy Kash (CWRU Physics) Thu. January 19th, 2017 4:00 pm-5:00 pm Nitride Semiconductors: Beyond the Binaries The binary nitride semiconductors and their alloys have led to transformations in both lighting and Claire Zukowski (Columbia U.) Tue. January 17th, 2017 11:00 am-12:00 pm Emergent de Sitter Spaces from Entanglement Entropy A theory of gravity can be holographically “emergent” from a field theory in Pavel Fileviez Perez (CWRU Physics) Thu. December 8th, 2016 4:00 pm-5:00 pm New Physics and Unification of Forces The unification of fundamental forces in nature is one of the most appealing ideas for Beatrice Bonga (Penn State) Tue. December 6th, 2016 11:00 am-12:00 pm The closed universe and the CMB Cosmic microwave background (CMB) observations put strong constraints on the spatial curvature via estimation of Christopher Wolverton, Northwestern University, Accelerating Materials Discovery with Data-Driven Atomistic Computational Tools Mon. December 5th, 2016 12:45 pm-1:45 pm Accelerating Materials Discovery with Data-Driven Atomistic Computational Tools Chris Wolverton Dept. of Materials Science and Eng., Northwestern University, Evanston, IL Mike Hinczewski (CWRU Physics) Thu. December 1st, 2016 4:00 pm-5:00 pm Yi-Zen Chu (University of Minnesota, Duluth) Tue. November 29th, 2016 11:00 am-12:00 pm Causal Structure Of Gravitational Waves In Cosmology Despite being associated with particles of zero rest mass, electromagnetic and gravitational waves Marie-Charlotte Renoult, Université de Rouen, Free falling jets of a viscoelastic solution Wed. November 23rd, 2016 12:45 pm-1:45 pm Title: Free falling jets of a viscoelastic solution Prof. Marie-Charlotte Renoult Université de Rouen, France Abstract: We conducted free falling Daniel Winklehner (MIT) Tue. November 22nd, 2016 11:00 am-12:00 pm On the development and applications of high-intensity cyclotrons in neutrino physics and energy research The cyclotron is one of, if Keji Lai, Univ of Texas, Austin/Microwave Imaging of Edge States and Electrical Inhomogeneity in 2D Materials Mon. November 21st, 2016 12:45 pm-1:45 pm The understanding of various types of disorders in 2D materials, including dangling bonds at the edges, defects in the bulk, Robert Owen (Oberlin College) Thu. November 17th, 2016 4:00 pm-4:00 pm Numerical Relativity and Gravitational Radiation from Binary Black Hole Mergers In September of 2015, the Laser Interferometer Gravitational-wave Observatory (LIGO) made Austin Joyce (Kavli Institute for Cosmological Physics, Chicago) Tue. November 15th, 2016 11:00 am-12:00 pm Soft limits, asymptotic symmetries, and inflation in Flatland There has been much recent interest in soft limits, both of flat Salah Eddine Boulfelfel, Georgia Institute of Technology, Atomic-Scale Modeling of Activated Processes in the Solid State Mon. November 14th, 2016 12:45 pm-1:45 pm Atomic-Scale Modeling of Activated Processes in The Solid State Salah Eddine Boulfelfel School of Chemical and Biomolecular Engineering Georgia Institute Marija Drndic (University of Pennsylvania) Thu. November 10th, 2016 4:00 pm-5:00 pm 2D Materials Nanosculpting and Bioelectronics Applications Electron beams constitute powerful tools to shape materials with atomic resolution inside a transmission Rachel Rosen (Columbia University) Tue. November 8th, 2016 11:00 am-12:00 pm Non-Singular Black Holes in Massive Gravity When starting with a static, spherically-symmetric ansatz, there are currently two types of black Jim Andrews, Youngstown State University, Coherent Perfect Polarization Rotation–Beyond the Anti-Laser Mon. November 7th, 2016 12:45 pm-1:45 pm We describe the distinguishing characteristics of coherent perfect optical conversion processes using two-beam interference, as compared to single-beam ‘critical coupling’ processes. Tao Han (University of Pittsburgh) Fri. November 4th, 2016 11:00 am-12:00 pm Splitting and showering in the electroweak sector We derive the splitting functions for the Standard Model electroweak sector at high Tao Han (University of Pittsburgh) Thu. November 3rd, 2016 4:00 pm-5:00 pm Physics Motivations for Future Colliders With the milestone discovery of the Higgs boson at the CERN LHC, high energy physics Samo Kralj, University of Maribor, Effective Topological Charge Cancellation Mechanism Mon. October 31st, 2016 1:00 pm-2:00 pm Effective Topological Charge Cancellation Mechanism Samo Kralj1,2 1FNM, University of Maribor, Koroška 160, 2000 Maribor, Slovenia 2Jožef Stefan Institute, Jamova Andrew Rappe (University of Pennsylvania) Thu. October 27th, 2016 4:00 pm-5:00 pm Slush Structure and Dynamics in a Relaxor Ferroelectric Ferroelectric materials undergo solid-solid structural phase transitions between phases with aligned dipoles Patrick Woodward, The Ohio State University, The magnetism of double perovskites containing osmium and rhenium Mon. October 24th, 2016 12:45 pm-1:45 pm Patrick M. Woodward Department of Chemistry and Biochemistry, The Ohio State University Over the past several years we have Jim Van Orman (CWRU EEES) Thu. October 20th, 2016 4:00 pm-5:00 pm Simulating Planetary Interiors in the Lab This talk will provide an overview of experimental studies on the properties of planetary Sean Bryan (Arizona State University) Tue. October 18th, 2016 11:00 am-12:00 pm Cosmology with Millimeter Wave LEKIDs: CMB, Spectroscopy, and Imaging with TolTEC Millimeter-wave cameras offer a unique window on the history Mark Newman (University of Michigan) Thu. October 13th, 2016 4:00 pm-5:00 pm Paul Erdos, Kevin Bacon, and the Six Degrees of Separation: The Statistical Physics of Networks There are networks in every Stacy McGaugh (CWRU Astronomy) [note time] Tue. October 11th, 2016 11:00 am-12:00 pm *Note that the seminar may be pushed back to 11:30-12:30. The Radial Acceleration Relation in Rotationally Supported Galaxies We report a Nayana Shah, University of Cincinnati, Manifestations of spin-orbit coupling and topology in out-of-equilibrium hybrid superconducting systems Mon. October 10th, 2016 12:45 pm-1:45 pm Recently there has been a lot of excitement generated by the possibility of realizing and detecting Majorana fermions within the John Monnier (University of Michigan) Thu. September 29th, 2016 4:00 pm-5:00 pm Imaging the Surfaces of Stars Under even the best atmospheric conditions, telescope diffraction fundamentally limits the angular resolution for astronomical Zhaoning Song, University of Toledo,The Formation and Degradation of Metal Halide Perovskites Mon. September 26th, 2016 12:45 pm-1:45 pm Solar cells based on organic-inorganic metal halide perovskite materials, such as methylammonium lead iodide (CH3NH3PbI3), have been the subject of Kurt Hinterbichler (CWRU Physics) Thu. September 22nd, 2016 4:00 pm-5:00 pm Massive Gravitons, the Cosmological Constant and New Directions in Gravity The solution to the cosmological constant problem may involve modifying Henriette Elvang (University of Michigan) Tue. September 20th, 2016 11:00 am-12:00 pm Scattering amplitudes and soft theorems I will give a pedagogical introduction to the spinor helicity formalism which provides a very Director: Peter Galison (Harvard). Movie. Note unusual end time. Thu. September 15th, 2016 4:00 pm-5:30 pm Containment Abstract Can we contain some of the deadliest and most long-lasting substances ever produced? Left over from the Cold Bob Brown (CWRU) Tue. September 13th, 2016 11:00 am-12:00 pm Understanding Color-Kinematics Duality with a New Symmetry: From Radiation Zeros to BCJ I discuss a new set of symmetries obeyed by Richard Schaller (Northwestern University). Not a physics colloquium but of potential interest to physicists. Note unusual location and time. Thu. September 8th, 2016 4:00 pm-6:00 pm Chemistry Colloquium: Electronic and Thermal Interconversion and Migration in Energy-Relevant Materials In order to produce energy efficient devices, thorough understanding of Raymond Stora’ Last Discovery — Bryan Lynn (CWRU) Tue. September 6th, 2016 11:00 am-12:00 pm I will discuss Raymond Stora’s final work on new Ward-Takahashi Identities of U(1) gauge theory. Bryan Lynn (CWRU and University College London) Tue. September 6th, 2016 11:00 am-12:00 pm Raymond Stora’s last work Excursion Sets, Peaks and Other Creatures: Improved Analytical Models of LSS – Marcello Musso Tue. May 3rd, 2016 11:30 am-12:30 pm I will present recent developments in analytical methods to predict abundance, clustering, velocities and bias of Dark Matter halos. In Observation Of Interlayer Phonons in Transition Metal Dichalogenide Atomic Layers and Heterostructures – Rui He Mon. May 2nd, 2016 12:30 pm-1:30 pm Interlayer phonon modes in atomically thin transition metal dichalcogenide (TMD) heterostructures were observed for the first time. We measured the Do We Understand the Universe – Raul Jimenez Tue. April 26th, 2016 11:30 am-12:30 pm Observations of the cosmos provide a valuable tool to study the fundamental laws of nature. The future generation of astronomical Do We Understand the Universe? – Raul Jimenez Tue. April 26th, 2016 11:30 am-12:30 pm Observations of the cosmos provide a valuable tool to study the fundamental laws of nature. The future generation of astronomical Of Bodies Changed to New Forms – Tim Atherton Thu. April 21st, 2016 4:15 pm-5:15 pm Soft matter is a broad class of materials with many examples found in everyday life: foods, crude oil, many biological New Directions in Bouncing Cosmologies – Anna M. Ijjas Tue. April 19th, 2016 11:30 am-12:30 pm In this talk, I will discuss novel ideas to smooth and flatten the universe and generate nearly scale-invariant perturbations during The 17 Position Knob: Tuning Interactions With Rare Earths – Paul C. Canfield Mon. April 18th, 2016 12:30 pm-1:30 pm Physicists see the rare earth group of elements as a powerful tool for tuning the properties of materials. Choice or control Resonant Tunneling in a Dissipative Environment: Quantum Critical Behavior – Harold Baranger Thu. April 14th, 2016 4:15 pm-5:15 pm The role of the surroundings, or environment, in quantum mechanics has long captivated physicists’ attention. Recently, quantum phase transitions (QPT)– Mapping the Phase Diagram of a One-Dimensional Topological Superconductor – Sergey Frolov Mon. April 11th, 2016 12:30 pm-1:30 pm Download the abstract Tunneling spectroscopy measurements on one-dimensional superconducting hybrid materials have revealed signatures of Majorana fermions which are the Can Charge Qubits Compete with Spin Qubits for Quantum Information Processing? – HongWen Jiang Thu. April 7th, 2016 4:15 pm-5:15 pm onductor quantum dots (QDs) are a leading approach for the implementation of solid-state based qubits. In principle, either charge or Beyond Precision Cosmology – Licia Verde Tue. April 5th, 2016 11:30 am-12:30 pm The avalanche of data over the past 10-20 years has propelled cosmology into the “precision era”. The next challenge cosmology Nanoscopic Manipulation and Nanoimaging of Liquid Crystals – Charles Rosenblatt Mon. April 4th, 2016 12:30 pm-1:30 pm Liquid crystals present a remarkable array of fascinating physical phenomena, and are now a >200 billion dollar world-wide industry. As Nanoscopic Manipulation and Nanoimaging of Liquid Crystals – Charles Rosenblatt Mon. April 4th, 2016 12:30 pm-1:30 pm Liquid crystals present a remarkable array of fascinating physical phenomena, and are now a >200 billion dollar world-wide industry. As Controlling Coherent Spins at the Nanoscale: Prospects for Practical Spin-Based Technology – Jesse Berezovsky Thu. March 31st, 2016 4:15 pm-5:15 pm Despite living in a complex, room temperature, solid-state environment, the spin of electrons bound to a nitrogen-vacancy (NV) defect in New Approaches to Dark Matter – Justin Khoury Tue. March 29th, 2016 11:30 am-12:30 pm In this talk I will discuss a novel theory of superfluid dark matter. The scenario matches the predictions of the Nanomaterials in Liquid Crystal Mediated Interactions – Rajratan Basu Mon. March 28th, 2016 4:00 pm-5:00 pm In liquid crystals (LC) the effect of nonmesogenic guest-nanoparticles on the LC’s bulk properties often rests on the molecular identification Photophysics of Organic Materials: From Thin-Film Devices to Single Molecules and from Optoelectronics to Entomology – Oksana Ostroverkhova Thu. March 24th, 2016 4:15 pm-5:15 pm Organic (opto)electronic materials have been explored in a variety of applications in electronics and photonics. They offer several advantages over Calibration of the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) Detectors – Madeline Wade Tue. March 22nd, 2016 11:30 am-12:30 pm Calibration is the critical link between the LIGO detectors and searches for gravitational-wave signals in LIGO data. The LIGO calibration New Probes of Large-scale CMB Anomalies – Simone Aiola Tue. March 15th, 2016 11:30 am-12:30 pm Inflation prescribes a homogenous and isotropic universe on large scales, and it generates density fluctuations which are expected to be APS March Meeting Mon. March 14th, 2016 12:30 pm-1:30 pm Preview APS March Meeting Talks – Graduate Students Thu. March 10th, 2016 11:00 am-12:00 pm Sukrit Sucharitacul, Few-layer III-VI and IV-VI 2D semiconductor transistorsShuhao Liu, Imaging the long diffusion lengths of photo-generated carriers in mixed FMR-Drive Pure Spin Transport in Metals and Magnetic Insulators – Fengyuan Yang Mon. March 7th, 2016 12:30 pm-1:30 pm Spintronics relies on the generation, transmission, manipulation, and detection of spin current mediated by itinerant charges or magnetic excitations. Ferromagnetic Joining Forces Against the Dark Side of the Universe: The Cosmic Microwave Background and the Large Scale Structure – Shirley Ho Fri. March 4th, 2016 12:30 pm-1:30 pm Despite tremendous recent progress, gaps remain in our knowledge of our understanding of the Universe. For example, we have yet Gravitational Waves Discovered: The Recent Detection of an Ancient Binary Black Hole Merger – Leslie E. Wade Thu. March 3rd, 2016 4:15 pm-5:15 pm On September 14, 2015 the two ground-based interferometers that comprise the LIGO network directly observed the gravitational-wave signature of a Tailored Radiative Processes of Quantum Dots and 2D Materials – Maiken H. Mikkelsen Mon. February 29th, 2016 4:00 pm-5:00 pm Metal-dielectric nanocavities have the ability to tightly confine light to small mode volumes resulting in strongly increased local density of Aspects of Photonic Topological Insulators – Mikael Rechtsman Mon. February 22nd, 2016 12:30 pm-1:30 pm I will present the observation of the topological protection of light – specifically, a photonic Floquet topological insulator. Topological insulators (TIs) Non-Linear Optics of Ultrastrongly Coupled Cavity Polaritons – Mike Crescimanno Thu. February 18th, 2016 4:15 pm-5:15 pm Recent experiments at CWRU (Singer) have developed organic cavity polaritons that display world-record vacuum Rabi splittings of more than an Albert Michelson, the Michelson-Morley experiment, and the dichotomy between megaprojects and table-top science – Philip Taylor Thu. February 11th, 2016 4:15 pm-5:15 pm During the past 130 years the range of sizes and costs for scientific apparatus has expanded enormously. While some groundbreaking Testing Early Universe Physics with Upcoming Observations – Emanuela Dimastrogiovanni Wed. February 10th, 2016 12:30 pm-1:30 pm Cosmology has seen tremendous progress thanks to precision measurements and is bound to greatly benefit from upcoming Large Scale Structure New Paradigm for Physics Beyond the Standard Model – Pavel Fileviez Perez Tue. February 9th, 2016 11:30 am-12:30 pm The great desert hypothesis in particle physics defines the relation between the electroweak scale and the high scale where an Cosmology from the Megaparsec to the Micron – Amol Upadhye Fri. February 5th, 2016 12:30 pm-1:30 pm Two major challenges for cosmology over the next decade are to characterize the dark energy responsible for the cosmic acceleration A New Twist on Electromagnetism for Energy Conversion – Stephen Rand Thu. February 4th, 2016 4:15 pm-5:15 pm In electromagnetism effects of the magnetic field are generally ignored. However in recent optical experiments intense magnetic light scattering has Massive and Partially Massless Gravity and Higher spins – Kurt Hinterbichler Tue. February 2nd, 2016 11:30 am-12:30 pm On de Sitter space, there exists a special value for the mass of a graviton for which the linear theory Combined First-Principles Molecular Dynamics / Density-Functional Theory Study of Ammonia Oxidation on Pt(100) Electrode – Dmitry Skachkov Mon. February 1st, 2016 12:30 pm-1:30 pm A combined first-principles molecular dynamics/density functional theory study of the electrooxidation of ammonia is conducted to gain an atomic-level understanding The 2015 Science Nobel Prizes – What were they given for? – Kurt Runge (Chemistry), Jim Kazura (Physiology or Medecine), Andrew Tolley (Physics) Thu. January 28th, 2016 4:15 pm-5:15 pm Testing Eternal Inflation – Matthew Johnson Tue. December 8th, 2015 11:30 am-12:30 pm The theory of eternal inflation in an inflaton potential with multiple vacua predicts that our universe is one of many Bigravity: Dead or Alive? – Adam Solomon Tue. December 1st, 2015 11:30 am-12:30 pm Spurred in large part by the discovery of the accelerating universe, recent years have seen tremendous advances in our understanding Non-adiabatic Transport in Single-Electron Transistors in the Kondo Regime – Andrei Kogan Mon. November 23rd, 2015 12:30 pm-1:30 pm Magnetic impurities in conductors alter the Fermi sea: A many-body state (A Kondo singlet) is formed that entangles itinerant carriers Gravitational wave detection with precision interferometry – Nergis Malvalvala (unofficial colloquium) Fri. November 20th, 2015 10:15 am-11:15 am Laser interferometer gravitational wave detectors are poised to launch a new era of gravitational wave astronomy and unprecedented tests of Chip-integrated Nanophotonic Structures for Classical and Quantum Devices – Antonio Badolato Mon. November 16th, 2015 12:30 pm-1:30 pm Chip-integrated nanophotonics investigates the interaction of light with nanostructures integrated on a chip. Lying at the intersection of condensed matter Ultra-low field MRI – Michael Hatridge Fri. November 13th, 2015 12:30 pm-1:30 pm Superconducting Quantum Interference Devices (SQUIDs), consisting of two Josephson junctions in a closed superconducting loop, are exquisitely sensitive detectors of Remote entanglement in superconducting quantum information – Michael Hatridge Thu. November 12th, 2015 4:15 pm-5:15 pm I’ll review material from the technical lectures and discuss the difference between entanglement via local and ‘remote’ interactions. I’ll discuss Remote entanglement in superconducting quantum information – Michael Hatridge Thu. November 12th, 2015 4:15 pm-5:15 pm I’ll review material from the technical lectures and discuss the difference between entanglement via local and ‘remote’ interactions. I’ll discuss Josephson junctions and quantum microwave circuits 2: amplifiers – Michael Hatridge Tue. November 10th, 2015 11:30 am-12:30 pm Here we will take the concepts from lecture one and set out to construct from the same Josephson junctions very weakly Michelson Postdoc Lecture – Michael Hatridge Mon. November 9th, 2015 12:30 pm-1:30 pm Josephson junctions and quantum microwave circuits 1: qubits and cavities – Michael Hatridge Mon. November 9th, 2015 12:30 pm-1:30 pm In this lecture I’ll review the basics of the Josephson junction and how it is used as the key building Intracellular Pressure Dynamics in Cells – Wanda Strychalski Thu. November 5th, 2015 4:15 pm-5:15 pm Cell migration plays an essential role in many important biological processes such as wound healing, cancer metastasis, embryonic development, and Supercooling-Driven Glass Behaviour in Systems Exhibiting Continuous Symmetry Breaking – Sami Kralj Wed. November 4th, 2015 12:30 pm-1:30 pm Symmetry breaking is ubiquitous in nature and represents the key mechanism behind rich diversity of patterns exhibited by nature. One Enabling High Performance Computational Physics with Community Libraries – Matt Knepley Thu. October 29th, 2015 4:15 pm-5:15 pm I will speak about the PETSc library, a community effort that I help lead, which provides scalable parallel linear and Bi-gravity from DGP Two-brane Model – Yasuho Yamashita Wed. October 28th, 2015 12:30 pm-1:30 pm We discuss whether or not bigravity theory can be embedded into the braneworld setup. As a candidate, we consider Dvali-Gabadadze-Porrati The Instability of de Sitter Space and Dynamical Dark Energy: Massless Degrees of Freedom from the Conformal Anomaly in Cosmology – Emil Mottola Tue. October 27th, 2015 11:30 am-12:30 pm Global de Sitter space is unstable to particle creation, even for a massive free field theory with no self-interactions. The Photogeneration and Charge Transport in Liquid Crystalline Organic Semiconductors – Sanjoy Paul Mon. October 26th, 2015 12:30 pm-1:30 pm Organic semiconductors (OSCs) are emerging candidates for the applications in electronic and photonic devices due to material’s low cost and Quantum Chromodynamics at Five Trillion Degrees Kelvin – Michael Strickland Thu. October 22nd, 2015 4:15 pm-5:15 pm Relativistic heavy ion collision experiments at Brookhaven National Laboratory and at CERN have made it possible to turn back the Spins in 2D Materials – Roland Kawakami Mon. October 19th, 2015 12:30 pm-1:30 pm Two-dimensional crystals such as graphene and monolayer transition metal dichalcogenides (TMD) possess unique properties not found in bulk materials. These In honor of Ben Segall’s 90th birthday – Arnold Dahm, Philip Taylor, Walter Lambrecht Thu. October 15th, 2015 4:15 pm-5:15 pm Following brief reminiscences by Arnie Dahm and Phil Taylor, Walter Lambrecht will review some of Ben Segall’s early papers on Perspectives on WIMP Dark Matter – Pearl Sandick Tue. October 13th, 2015 11:30 am-12:30 pm The question of the identity of dark matter remains one of the most important outstanding puzzles in modern physics. Weakly Static and Dynamic Flowers in Strained Graphene – Nancy Sandler Mon. October 12th, 2015 12:30 pm-1:30 pm The coupling of geometrical and electronic properties is a promising venue to engineer conduction properties in graphene. In particular, different The Standard Model of Particle Physics via Non-Commutative Geometry – Latham Boyle Fri. October 9th, 2015 12:30 pm-1:30 pm I will introduce Connes’ notion of non-commutative geometry, and explain how it offers a novel geometric perspective on certain otherwise The Status and Challenges of Lead Halide Perovskite Solar Cells – Yanfa Yan Mon. October 5th, 2015 12:30 pm-1:30 pm Organic-inorganic methylammounium lead halide perovskites, CH3NH3PbX3 (X= Cl, Br, I), have revolutionized the field of thin-film solar cells. Within five The Conformal Bootstrap: From Magnets to Boiling Water – David Simmons-Duffin Thu. October 1st, 2015 4:15 pm-5:15 pm Conformal Field Theory (CFT) describes the long-distance dynamics of numerous quantum and statistical many-body systems. The long-distance limit of a An Anisotropic Universe Due to Dimension-changing False Vacuum Decay – James Scargill Tue. September 29th, 2015 11:30 am-12:30 pm In this talk I will consider the observational consequences of models of inflation after false vacuum decay in which the Device-compatible Defect Engineering of Rare Earth Doped Nitrides – Volkmar Dierolf Mon. September 28th, 2015 12:30 pm-1:30 pm LED-lighting is at the verge of replacing conventional incandescent light sources. These white LEDs are based on nitride technology which Who and where is the graviton? – Claudia de Rham Thu. September 24th, 2015 4:15 pm-5:15 pm One hundred years after “Die Feldgleichungen der Gravitation” by Albert Einstein (The Fields Equations of Gravitation) and perhaps at the Prospects for Measuring the Neutron-star Equation of State with Advanced Gravitational-wave Detectors – Leslie Wade Tue. September 22nd, 2015 11:30 am-12:30 pm It is widely anticipated that the first direct detections of gravitational waves will be made by advanced gravitational-wave detectors, such Quantum Magnetism in Low Dimensions: An Intriguing Phenomenon Connecting Biology with Physics – Yi-Kuo Yu Mon. September 14th, 2015 12:30 pm-1:30 pm Magnetism is an important problem in many areas of science including biology, physics and material science. For example, many migratory The Science of Climate Change and the Changing Climate of Science – Philip Taylor Thu. September 10th, 2015 4:15 pm-5:15 pm Isn’t science supposed to be a field of study in which everybody eventually agrees on what is correct and what Buckling Instabilities and Recoil Dynamics in Free-Standing Liquid Crystal Filaments – Tanya Ostapenko Mon. May 18th, 2015 12:30 pm-1:30 pm Quasi-one-dimensional free-standing fluid structures are not often found in nature, but may be formed by any material that can overcome Quantum Phase Transitions in Magnets – Ribhu Kaul Mon. May 11th, 2015 12:30 pm-1:30 pm Cosmology with Planck’s Observations of the Cosmic Microwave Background – Brendan Crill Thu. May 7th, 2015 2:15 pm-3:15 pm The Planck satellite was launched in 2009 and mapped the full sky in nine bands from 30 to 857 GHz, Gravitational Signals from Noise in the Hubble Diagram – Edward Macaulay Tue. May 5th, 2015 11:30 am-12:30 pm Understanding the nature of the dark universe requires precise measurements of the background expansion history, and also the growth rate One century of neutrino mass experiments: from radium salts to microwaves – Benjamin Monreal Mon. April 27th, 2015 4:15 pm-5:15 pm The neutrino mass is one of the longest-standing unanswered questions in particle physics. We’ve recently learned a tremendous amount about A career in clean energy – Philip Farese Thu. April 23rd, 2015 11:30 am-12:30 pm Thank You for Flying the ‘Vomit Comet’: Using Parabolic Flights to Examine Quantitatively the Stability of Liquid Bridges Under Varying Total Body Force – Greg DiLisi Mon. April 20th, 2015 12:30 pm-1:30 pm Liquid bridges were flown aboard a Boeing 727-200 aircraft in a series of parabolic arcs that produced multiple periods of Novel measurement methods for probing magnetic nanoparticles – Yumi Ijiri Thu. April 16th, 2015 4:15 pm-5:15 pm Magnetic nanoparticles are the focus of much current research with uses ranging from data storage in hard drives to targeted Stochasticity in ecological dynamics – Karen Abbott Thu. April 9th, 2015 4:15 pm-5:15 pm Population dynamics result from a combination of deterministic mechanisms (e.g. competition, predation) that drive nonlinear dynamics and stochastic forces that The Race for the Highest Energy Neutrinos in the Universe – Patrick Allison Tue. April 7th, 2015 11:30 am-12:30 pm In 1969, Berezinsky and Zatsepin predicted a flux of ultra-high energy (greater than 1 EeV) neutrinos due to cosmic ray Music, Sweet and Sour – David Farrell Thu. April 2nd, 2015 4:15 pm-5:15 pm Although the perceptual phenomena of consonance and dissonance in music have attracted interest across a wide variety of disciplines for Macro Dark Matter – David Jacobs Tue. March 31st, 2015 11:30 am-12:30 pm Dark matter is a vital component of the current best model of our universe, Lambda-CDM. There are leading candidates for V2O5, a Strongly Correlated 2D System with 1D Aspects – Walter Lambrecht Mon. March 30th, 2015 12:30 pm-1:30 pm V2O5 is a layered material with chains within the layer. I will discuss how this is manifested in its electronic Multiscale Self-organization of Emulsion Droplets – Jasna Brujic Thu. March 26th, 2015 4:15 pm-5:15 pm Self-assembly of inanimate objects into well-defined 3D structures, such as folded proteins or DNA-origami, remains a mystery. Inspired by biological Wave Turbulence in Preheating – Henrique de Oliveira Tue. March 24th, 2015 11:30 am-12:30 pm We have studied the nonlinear preheating dynamics of several inflationary models. They include nonminimally coupled scalar fields and two-fields models. Predictive First-principles Simulations of Excited Electrons and Ultrafast Electron-ion Dynamics in Complex Materials – Andre Schleife Mon. March 23rd, 2015 12:30 pm-1:30 pm Rapidly advancing high-performance super computers such as “Blue Waters” allow calculating properties of increasingly complex materials with unprecedented accuracy. In Interacting particle models and phase transitions for social particles – Alethea Barbaro Thu. March 19th, 2015 4:15 pm-5:15 pm Graphene on Ir(111), Adsorption and Intercalation of Cs and Eu Atoms – Pedrag Lazic Mon. March 16th, 2015 12:30 pm-1:30 pm Experimental and theoretical study of Cs and Eu atoms adsorption on graphene on Ir(111) will be presented [1,2]. Graphene on Opportunities and Challenges for Extreme Optics – Nader Engheta Thu. February 26th, 2015 4:15 pm-5:15 pm Recent developments in condensed matter physics and nanoscience have made it possible to tailor materials with unusual parameters and characteristics. March Meeting Preview Talks – Graduate Students Mon. February 23rd, 2015 12:30 pm-1:45 pm APS March Meeting 2015 graduate student talks Jiayuan Miao: Molecular-dynamics study of the Case-II diffusion of methanol in PMMA Sukrit Mapping New Physics with the Cosmic Microwave Background – Jeff McMahon Mon. February 23rd, 2015 11:30 am-12:30 pm The Cosmic Microwave Background (CMB) is the afterglow of the big bang and the oldest light in the universe that Optical Frequency Combs and Precision Spectroscopy – Jason Stalnaker Tue. February 17th, 2015 11:30 am-12:30 pm Atomic spectroscopy has a long history of providing tests of fundamental physics. This tradition continues as the precision and accuracy of Exploring Soft Matter with DNA – Tomasso Bellini Mon. February 16th, 2015 12:30 pm-1:30 pm The combination of solubility, coded pairing and adjustable flexibility make DNA a unique polymer for designing highly-controlled self-assembled complex nanostructures Numerical Relativity in Spherical Polar Coordinates – Thomas W. Baumgarte Thu. February 12th, 2015 11:30 am-12:30 pm Numerical relativity simulations have made dramatic advances in recent years. Most of these simulations adopt Cartesian coordinates, which have some Chemistry in Art, Art in Chemistry, and the Spiritual Ground They Share – Roald Hoffmann Thu. February 12th, 2015 4:30 pm-5:30 pm After looking at the evolution of pigments for the color blue, Roald Hoffman, Frank H. T. Rhodes Professor of Humane Letters The Chirality of SiO4 in Materials – David Avnir Wed. February 11th, 2015 12:30 pm-1:30 pm SiO4 is a common building block of many materials, both crystalline such as quartz, silicates and zeolites, and amorphous, such Teaching old materials new tricks: Making organic semiconductors crystallize on demand and metals emit light – Barry Rand Thu. February 5th, 2015 4:15 pm-5:15 pm In this seminar, we will focus on two aspects of our work that look at materials which have been studied Is Clustering Dark Energy Non-linear? The AP Resummation Approach – Stefano Anselmi Tue. February 3rd, 2015 11:30 am-12:30 pm In order to gain insights on the mysterious component driving the acceleration of the Universe the future surveys will measure Spin-dependent Scattering in Graphene: Electronic Birefringence and Kondo Transitions – Sergio Ulloa Mon. February 2nd, 2015 12:30 pm-1:30 pm Graphene, a monoatomic layer of carbon, is perhaps the simplest and most easily available material where electrons behave as massless The 2014 Science Nobel Prizes – What were they given for? – Daniel Wesson from Neuroscience will give the Medicine or Physiology talk, Walter Lambrecht will give the Physics talk, and Andrew Rollins from Biomedical Engineering will give the Chemistry talk. Thu. January 29th, 2015 4:15 pm-5:15 pm Physics: This year’s Nobel prize in Physics went to Isamu Akasaki, Hiroshi Amano and Shuji Nakamura for their groundbreaking work Sterile Plus Active Neutrinos and Neutrino Oscillations – Leonard Kisslinger Mon. January 26th, 2015 12:30 pm-1:30 pm The talk will be based on recent neutrino oscillation experiments that have determined that there is almost certainly a sterile Physics of the Piano – Nicholas Giordano Thu. January 22nd, 2015 4:15 pm-5:15 pm Why des a piano sound like a piano? A similar question can be asked of virtually all musical instruments. A New Accelerators for Neutrino Physics – Matt Toups Tue. January 20th, 2015 11:30 am-12:30 pm DAEδALUS is a proposed phased neutrino experiment, whose ultimate aim is to search for evidence of CP violation in the Cooperation, cheating, and collapse in biological populations – Jeff Gore Thu. January 15th, 2015 4:15 pm-5:15 pm Natural populations can suffer catastrophic collapse in response to small changes in environmental conditions as a result of a bifurcation The Break-up of Viscoelastic Jets and Filaments: The Beads-on-a-string Structure – Marie-Charlotte Renoult Mon. December 1st, 2014 12:30 pm-1:30 pm Capillary pressure can destabilize a thin stream of water and break it up into a succession of small droplets. The The Universe as a Cosmic String – Florian Niedermann Tue. November 25th, 2014 11:30 am-12:30 pm We are investigating modifications of general relativity that are operative at the largest observable scales. In this context, we are Spotting Majorana Fermions amidst Hofstadter butterflies and disordered landscapes – Smita Vishveshwara Thu. November 20th, 2014 4:15 pm-5:15 pm In the hunt for Majorana particles, originally proposed in the context of particle physics, recent investigations have led to exciting Imprints of the Standard Model in the Sky? – Daniel G. Figueroa Tue. November 18th, 2014 11:30 am-12:30 pm The existence of the Standard Model (SM) Higgs implies that a gravitational wave (GW) background is generated by the decay New Ideas for Dark Energy and Also for Dust Discrimination in B-mode Maps – Marc Kamionkowski Fri. November 14th, 2014 12:30 pm-1:30 pm Intergalactic Magnetic Fields – Tanmay Vachaspati Tue. November 11th, 2014 11:30 am-12:30 pm I will describe theoretical motivation for the existence of parity violating (helical) intergalactic magnetic fields and recent and growing observational Soft Materials Approaches to Carbon Nanotubes: from Gels to Composites – Mohammed F. Islam Mon. November 10th, 2014 12:30 pm-1:30 pm Carbon nanotubes combine low density with exceptional mechanical, electrical and optical properties. Unfortunately, these nanoscale properties have not been retained Neutrino Oscillations at Work – Jenny Thomas Thu. November 6th, 2014 4:15 pm-5:15 pm The observation that the three types of neutrino flavor oscillate among themselves led to the realisation that neutrinos have a Peaks and Troughs in Large Scale Structure – Ravi K. Sheth Tue. November 4th, 2014 11:30 am-12:30 pm I will reiew recent and substantial progress in modeling the cosmic web. This progress, which results from merging two different Physics and Language – Harsh Mathur Thu. October 30th, 2014 4:30 pm-5:30 pm What Can We Learn about Language by Reading Millions of Books? (A Baker-Nord Digital Humanities Event) The dramatic growth of Soft Magnetic Materials for Energy Applications in Extreme Environments – Matthew A. Willard Mon. October 27th, 2014 12:30 pm-1:30 pm A fundamental transformation of the transportation sector in the United States is underway. In parallel with advances in renewable energy High Precision Cosmology with BAO Surveys: BOSS and Future 21cm BAO Surveys – Hee-Jong Seo Fri. October 24th, 2014 12:30 pm-1:30 pm The large scale structure of matter and galaxies contains important information on the evolution of the Universe. Baryon acoustic oscillations On Demand 2D Electron Gas at LaAlO3/SrTiO3 Interfaces – Cheng Cen Mon. October 20th, 2014 12:30 pm-1:30 pm The development of complex oxides over the past fifteen years has raised the prospect for new classes of electronic devices. Sensing the ripples of time – Amar Vutha Fri. October 17th, 2014 12:30 pm-1:30 pm Almost a century since the dawn of general relativity, we have yet to obtain direct evidence of one of its Constraining supersymmetry using molecules – Amar Vutha Thu. October 16th, 2014 4:15 pm-5:15 pm Supersymmetry, and other theories that go beyond the Standard Model of particle physics, often predict the existence of new particles Constraining supersymmetry using molecules – Amar Vutha Thu. October 16th, 2014 4:15 pm-5:15 pm Supersymmetry, and other theories that go beyond the Standard Model of particle physics, often predict the existence of new particles The Shape of the Electron, and Why It Matters – Amar Vutha Tue. October 14th, 2014 11:30 am-12:30 pm The universe, or at least the 5% of it that we understand, is described rather well by the Standard Model The shape of the electron, and why it matters – Amar Vutha Tue. October 14th, 2014 11:30 am-12:30 pm The universe, or at least the 5% of it that we understand, is described rather well by the Standard Model “How Big is the Proton Anyway?” – Amar Vutha Mon. October 13th, 2014 12:30 pm-1:30 pm The proton is a bound state of quarks and gluons, described by the low-energy limit of quantum chromodynamics. Recent measurements How big is the proton anyway? – Amar Vutha Mon. October 13th, 2014 12:30 pm-1:30 pm The proton is a bound state of quarks and gluons, described by the low-energy limit of quantum chromodynamics. Recent measurements Precision Cosmology with Galaxy Surveys: Understanding Intrinsic Alignments and Redshift-space Distortions – Jonathan A. Blazek Fri. October 10th, 2014 12:30 pm-1:30 pm Galaxy imaging and redshift surveys, designed to measure gravitational lensing and galaxy clustering, remain the most powerful probes of large-scale Halide perovskites: their unusual combination of properties and its impact on solar cell applications – Walter Lambrecht Thu. October 9th, 2014 4:15 pm-5:15 pm Hybrid organic/inorganic halide perovskites such as methylammonium lead iodide, (MA)PbI3, have recently burst on the solar cell scene with record Spin-charge Conversion in Interfacial Electron Liquids – Giovanni Vignale Mon. October 6th, 2014 12:30 pm-1:30 pm Semiconductor quantum wells, inter-metallic interfaces, layered oxides, and monolayer materials are all promising platforms for the observation of spincharge conversion The Standard Model and Beyond with Ultracold Neutrons – Leah Broussard Thu. September 25th, 2014 4:15 pm-5:15 pm Ultracold Neutrons (UCN) provide an excellent laboratory for precision studies of the Standard Model of particle physics, and can be Quantum Mechanics Without Measurements – Robert Griffiths Thu. September 18th, 2014 4:15 pm-5:15 pm In standard (textbook) quantum mechanics, “measurement” provides an essential link between the formalism and its physical interpretation, but physical measurements The black hole information paradox and its resolution in string theory – Samir Mathur Thu. September 11th, 2014 4:15 pm-5:15 pm Some 40 years ago Hawking found a remarkable contradiction: if we accept the standard behavior of gravity in regions of low Building Nuclear Bombs in Your Basement: the technology of nuclear proliferation – R. Scott Kemp Thu. September 4th, 2014 4:15 pm-5:15 pm Technology has been long understood to play a central role in limiting the proliferation of nuclear weapons. Over the last thirty Healthy Theories Beyond Horndeski – Jerome Gleyzes Wed. September 3rd, 2014 11:30 am-12:30 pm In search for a candidate that could explain the current acceleration of the Universe, a lot of attention has been Interacting Spin-2 Fields – Johannes Noller Tue. September 2nd, 2014 11:30 am-12:30 pm In this talk I will discuss some recent progress in our understanding of the spin-2 sector, focussing on theories with Getting research news out: connecting with the press and DIY communication – Kate McAlpine Thu. August 28th, 2014 4:15 pm-5:15 pm Although fewer daily papers keep reporters on the science beat, science reporting is still thriving online, from large news organizations to Recent Progress in Large-Scale Structure – Roman Scoccimarro Fri. May 9th, 2014 11:00 am-12:00 pm I will discuss recent progress in the understanding of how to model galaxy clustering. While recent analyses have focussed on Atom Interferometry Fundamentals and its Applications in Space Science – Babak Saif Tue. May 6th, 2014 11:30 am-12:30 pm Shape of the Universe – Daniel Müller Tue. April 29th, 2014 11:30 am-12:30 pm The most recent observations indicate that the Universe is isotropic, with a small spatial curvature, which can be either positive, Our MRI Startup Grows Up: QED and HealthCare in 2014 – Hiroyuki Fujita Thu. April 24th, 2014 4:15 pm-5:15 pm Dr. Fujita’s talk will focus on his MRI company and give a “State of QED” address, and how its accomplishments Testing Gravity via Lunar Laser Ranging – Tom Murphy Tue. April 22nd, 2014 11:30 am-12:30 pm Forty years ago, Apollo astronauts placed the first of several retroreflector arrays on the moon. Laser range measurements between the Chasing Inflation – John Ruhl Thu. April 17th, 2014 4:15 pm-5:15 pm The Cosmic Microwave Background (CMB) has provided one of our most robust and powerful tools for learning about the contents Super-Resolution Microscopies at the Frontiers of Cell Biology (co-sponsored by the Institute for the Science of Origins) – Bill Dougherty Thu. April 10th, 2014 4:00 pm-5:00 pm The ultimate resolution of an image acquired by an optical system (a telescope or microscope) is governed by the laws WIMP physics with direct detection – Annika H. G. Peter Tue. April 8th, 2014 11:30 am-12:30 pm One of the best-motivated classes of dark-matter candidate is the Weakly-Interacting Massive Particle (WIMP). In this talk, I will discuss Results from the LUX dark matter search, and prospects for the future – Tom Shutt Thu. April 3rd, 2014 4:15 pm-5:15 pm Probing Dark Energy Using Growth of Structure: The Role of Simulations – Hao-Yi Wu Tue. April 1st, 2014 11:30 am-12:30 pm The growth of cosmic structure provides a unique approach for measuring the dynamic evolution of dark energy and distinguishing different Arrested Development (of Emulsions) – Tim Atherton Thu. March 27th, 2014 4:15 pm-5:15 pm Emulsions – dispersions of “guest” fluid droplets inside another “host” fluid – are very familiar in everyday life as food, Nanoscale thermal transport – Alexis Abramson Thu. March 20th, 2014 4:15 pm-5:15 pm Carbon nanostructures such as nanotubes, nanofibers and graphene have gained great attention over the past two decades. Owing to their Science with CMB Spectral Distortions: a New Window to Early-Universe Physics – Jens Chluba Tue. March 18th, 2014 11:30 am-12:30 pm Since COBE/FIRAS we know that the CMB spectrum is extremely close to a perfect blackbody. There are, however, a number Curvature and defects in liquid crystals and other soft materials: Differential geometry isn’t just for cosmology any more! – Jonathan Selinger Thu. February 27th, 2014 4:15 pm-5:15 pm Liquid-crystal membranes have a coupling between curvature and orientational order: Defects in the orientational order can induce curvature, and conversely, The Marvelous Success of the Standard Model of Cosmology – Lloyd Knox Wed. February 26th, 2014 12:30 pm-1:30 pm The standard model of cosmology has been remarkably successful in its predictions for current data given earlier data. One can The Hunt for the Missing Components of the Universe: Dark Matter, Dark Energy . . . . and Women in Physics. – Evalyn Gates Thu. February 20th, 2014 4:15 pm-5:15 pm In spite of much discussion and a variety of efforts aimed at increasing the number of women in physics, the entry 21cm Cosmology – Ue-Li Pen Tue. February 18th, 2014 11:30 am-12:30 pm I present recent developments in a new window to map the large scale structure of the universe through intensity mapping using Cosmology and Systematics of Multi-wavelength Galaxy Cluster Observables – Tomasz Biesiadzinski Tue. February 11th, 2014 11:30 am-12:30 pm The current concordance lCDM cosmological model describes a universe where cold dark matter seeds structure formation and a cosmological constant Quantum-Limited Superconducting Detectors and Amplifiers for Cosmology – Philip Mauskopf Fri. February 7th, 2014 12:30 pm-1:30 pm Mercury’s interior: New views from MESSENGER – Steven Hauck Thu. February 6th, 2014 4:15 pm-5:15 pm More than 35 years after Mariner 10 made its third and final flyby of the planet Mercury MESSENGER (short for MErcury, The 2013 Science Nobel Prizes – What were they given for? – Martin Snider, Michael Weiss, Glenn Starkman Thu. January 30th, 2014 4:15 pm-5:15 pm Dr. Martin Snider (Biochemistry) on the prize for Medicine or Physiology Dr. Michael Weiss (Biochemistry)on the prize for Chemistry Dr. 21-cm Intensity Mapping – Jeffrey Peterson Tue. January 28th, 2014 11:30 am-12:30 pm Next Steps in Neutrino Physics – Geralyn Zeller Thu. January 23rd, 2014 4:15 pm-5:15 pm Neutrinos are among the most abundant particles in the universe, yet there is a surprising amount of information we still The Physics of Climate Change – Michael Mann Thu. January 16th, 2014 4:15 pm-5:15 pm I will review the basic scientific fundamentals behind human-caused climate change, including a discussion of physics-based theoretical climate models. I In proximity to novel physics: Topological Insulators coupled to Superconductors – Nadya Mason Thu. December 5th, 2013 4:15 pm-5:15 pm Topological insulators (TI’s) are materials that are insulators in their interiors, but have unique conducting states on their surfaces. They Supersymmetry, Non-thermal Dark Matter and Precision Cosmology Tue. December 3rd, 2013 11:30 am-12:30 pm Within the Minimal Supersymmetric Standard Model (MSSM), LHC bounds suggest that scalar superpartner masses are far above the electroweak scale. Cosmic Bandits: Exploration vs. Exploitation in Cosmological Surveys – Ely Kovetz Tue. November 26th, 2013 11:30 am-12:30 pm Various cosmological observations consist of prolonged integrations over small patches of sky. These include searches for B-modes in the CMB, Fukushima: Implications for the Understanding of Severe Accidents and the Future of Nuclear Energy – M.V. Ramana Thu. November 21st, 2013 4:15 pm-5:15 pm Like the earlier nuclear accidents at Three Mile Island (1979) and Chernobyl (1986), the multiple accidents at the Fukushima Daiichi Turning trajectories in multi-field inflation – Krzysztof Turzyński Tue. November 19th, 2013 11:30 am-12:30 pm The latest results from the PLANCK collaboration, consistent with the simplest single-field models of slow-roll inflation and with no trace Lorentz violation in gravity: why, how and where – Diego Blas Mon. November 18th, 2013 3:00 pm-4:00 pm Recent approaches to quantum gravity question the role of Lorentz invariance as a fundamental symmetry of Nature. This has implications Magnetism Without Magnetic Atoms: The Physics of the Vacancy Center in Graphene – Sashi Satpathy Thu. November 14th, 2013 4:15 pm-5:15 pm Graphene is a material of considerable current interest owing to its linear band structure and excitations that behave as massless Non-local quantum effects in cosmology – John Donoghue Tue. November 12th, 2013 11:30 am-12:30 pm In general relativity, there are non-local quantum effects that come from the propagation of light particles including gravitons. I will New Possibilities in Transition-metal oxide Heterostructures – Wei-Cheng Lee Fri. November 8th, 2013 12:30 pm-1:30 pm Heterojunction, the interface between two dissimilar crystalline materials, has been one of ideal platforms for the two-dimensional electronic systems (2DES). To Superconduct or Not to Superconduct; That is the Question – Michelson Postdoctoral Prizewinner Wei-Cheng Lee Thu. November 7th, 2013 4:15 pm-5:15 pm Superconductor, a material losing resistivity below a critical temperature Tc, remains one of the grand challenges in physics. This field To Superconduct or Not to Superconduct; That is the Question? – Wei-Cheng Lee Thu. November 7th, 2013 4:15 pm-5:15 pm Superconductor, a material losing resistivity below a critical temperature Tc, remains one of the grand challenges in physics. This field Novel Collective modes in Unconventional Superconductors – Wei-Cheng Lee Tue. November 5th, 2013 12:30 pm-1:30 pm Unconventional superconductors are materials whose pairing mechanism is not due to the electron-phonon interaction as proposed by BCS theory. Up Orbital Aspect of Iron-based Superconductivity – Wei-Cheng Lee Mon. November 4th, 2013 12:30 pm-1:30 pm In this talk, I will focus on the new classes of high-temperature superconductors, iron pnictides. While the magnetic interactions are Graphene at the Boundaries – Paul McEuen Thu. October 31st, 2013 4:15 pm-5:15 pm With its remarkable structural, thermal, mechanical, optical, and electronic properties, graphene is a true interdisciplinary material. In this talk we Cosmology from conformal symmetry – Austin Joyce Tue. October 29th, 2013 11:30 am-12:30 pm We will explore the role that conformal symmetries may play in cosmology. First, we will discuss the symmetries underlying the The Cosmic Gravitational Wave Background – Tom Giblin Thu. October 24th, 2013 4:15 pm-5:15 pm As we prepare for news from the Laser-Interferometer Gravitational Wave Observatory (LIGO) theoretical and computational physics are crawling over each Dark Materials: the Topology of Insulators – Harsh Mathur Thu. October 17th, 2013 4:15 pm-5:15 pm Topological insulators are insulating materials with conducting surfaces. In this talk I will introduce topology by its application to the Goldstone bosons with spontaneously broken Lorentz symmetry – Riccardo Penco Tue. October 15th, 2013 11:30 am-12:30 pm In this talk, I will discuss some general properties of effective theories of Goldstone bosons in which Lorentz symmetry is Isostatic Lattice: From Jamming to Topological Surface Phonons – Tom Lubensky Thu. October 10th, 2013 4:15 pm-5:15 pm Frames consisting of nodes connected pairwise by rigid rods or central-force springs, possibly with preferred relative angles controlled by bending Slavnov-Taylor Identities for Primordial Perturbations – Lasha Berezhiani Tue. October 8th, 2013 11:30 am-12:30 pm I will show that all consistency relations for the primordial perturbations derive from a single, master identity, which follows from Modeling and simulating cellular processes in the brain: a mathematical challenge – Daniela Calvetti Thu. October 3rd, 2013 4:15 pm-5:15 pm Abstract: Understanding human brain is one of the greatest challenges of science, not the least because, almost by definition, it Symmetry Breaking and Galileons – Garrett Goon Wed. October 2nd, 2013 11:30 am-12:30 pm Galileons, and related theories, have deep connections to spontaneous symmetry breaking. After reviewing the origins of Galileon theories, I motivate Michelson and Morley –the men, the experiment, and the 1987 Centennial Celebration – Various + P. Taylor Thu. September 26th, 2013 4:15 pm-5:15 pm The Michelson-Morley experiment is arguably the most important measurement ever performed in the history of science. If its result had CMB Lensing: reconstruction from polarisation & implications for cosmology from cross correlation with galaxies – Ruth Pearson Tue. September 24th, 2013 11:30 am-12:30 pm CMB Lensing is a probe of the matter distribution between the surface of last scattering and today, which has been Green commercial buildings: are they saving energy or are they just making us feel good? – John Scofield Thu. September 19th, 2013 4:15 pm-5:15 pm US buildings consume roughly 40% of the nation’s primary energy and are responsible for a similar fraction of our greenhouse To wet or not to wet? That is the Question – Milton Cole Thu. September 12th, 2013 4:15 pm-5:15 pm If one looks at a leaf of a plant after a rainfall, one sees water droplets of varying sizes. What Making the connection between galaxy voids, dark matter underdensities and theory – Paul Sutter Tue. September 10th, 2013 11:30 am-12:30 pm TBA Light or Dark? Mass and Gravity in the Universe – Stacy McGaugh Thu. September 5th, 2013 4:15 pm-5:15 pm We now have a well developed cosmological paradigm, LCDM, in which most of the mass-energy is composed of unknown dark “Look to the Stars” – an episode starring Case’s first Physics Professor – Albert A. Michelson Thu. August 29th, 2013 4:15 pm-5:15 pm The semester’s first colloquium will be somewhat out of the ordinary – a screening of an old TV episode. The Ordered self-assembly of molecules on gold substrates, for activated organic monolayers – Prof. Emmanuelle Lacaze Wed. July 17th, 2013 12:30 pm-1:30 pm Photochromic molecules are characterized by a functional group whose configuration is modified by absorption of light, in a reversible manner. Topological transition of graphene from quantum Hall metal to quantum Hall insulator – Prof. XiangRong Wang Fri. May 17th, 2013 12:30 pm-1:30 pm In this talk, I will first review the basic electronic properties of graphene. In particular, I will explain why the The Universe in a New Light: the First Cosmological Results from the Planck Mission – Bill Jones Tue. April 30th, 2013 2:30 pm-3:30 pm The precision and accuracy of the recently released Planck data are without precedent; the data from a single experiment provide Detecting Modified Gravity in the Stars – Jeremy Sakstein Mon. April 29th, 2013 10:30 am-11:30 am Screened scalar-tensor gravity such as chameleon and symmetron theories allow order one deviations from General Relativity on large scales whilst Quantum Fluids of Light – David Snoke Mon. April 29th, 2013 12:30 pm-1:30 pm In the past few years a new class of solid state optical systems has been developed in which photons have Semiconductor nanowires : from LEDs to solar cells – Silvija Gradecak Mon. April 22nd, 2013 12:30 pm-1:30 pm Semiconductor nanowires are quasi-one-dimensional single-crystals that have emerged as promising materials for the development of photonic and electronic devices with Senior Project Symposium Sat. April 20th, 2013 11:30 am-12:30 pm Some Experiences Gained in Starting and Growing Optical Companies – James C. Wyant Thu. April 18th, 2013 4:15 pm-5:15 pm This talk will describe some experiences gained in starting and growing two optical companies, WYKO Corporation (1984-1997) and 4D Technology In search for hints of resonance in the CMB power spectrum – Daan Meerburg Tue. April 16th, 2013 11:30 am-12:30 pm We investigate possible resonance effects in the primordial power spectrum using the latest CMB data. These effects are predicted by Mapping spin-orbit effects in semiconductors – Vanessa Sih Mon. April 15th, 2013 12:30 pm-1:30 pm Spin-orbit coupling is a consequence of relativity but can be observed and used at the device scale to electrically initialize Origin of rigidity in granular solids – Bulbul Chakraborty Thu. April 11th, 2013 4:15 pm-5:15 pm Granular materials such as sand or rice grains behave in ways that are often counterintuitive. An example is “footprints on Black Hole Space-Times from S Matrices – Ira Rothstein Tue. April 9th, 2013 11:30 am-12:30 pm In this talk I will show how to generate classical space-times directly from S matrices. The method makes no use Short-range order in nematic liquid crystals formed by reduced symmetry molecules – Sam Sprunt Mon. April 8th, 2013 12:30 pm-1:30 pm Small molecules constructed from familiar chemical components, but with an unconventional (reduced symmetry) molecular shape, hold promise for developing nematic The discovery of a new particle. Is it the Higgs? – Daniela Bortoletto Thu. April 4th, 2013 4:15 pm-5:15 pm On July 4th 2012 physicists working at the Large Hadron Collider (LHC), the world’s highest-energy proton accelerator, at CERN in Testing gravity with pulsars, black holes and the microwave background – Lam Hui Tue. April 2nd, 2013 11:30 am-12:30 pm We will discuss 3 topics: 1. a way to detect gravitational waves using binaries; 2. a way to test general Hybrid Quantum Devices with Single Spins in Diamond – Gurudev Dutt Mon. April 1st, 2013 12:30 pm-1:30 pm Single spins associated with defects in diamond have emerged as a promising and versatile experimental system. They can be used Random laser, bio-inspired laser, and time-reversed laser – Hui Cao Thu. March 28th, 2013 4:15 pm-5:15 pm In this talk, I will review our studies of photonic nanostructures of random morphology. First, I show how we can Neutrinoless double beta decay results from EXO-200 – Carter Hall Tue. March 26th, 2013 11:30 am-12:30 pm Neutrinoless double beta decay has never been definitively observed, although for the last ten years one group has claimed to Point defect studies in ZnO: oxygen vacancy and p-type doping – Walter Lambrecht Mon. March 25th, 2013 12:30 pm-1:30 pm In the first part of the talk, I will tell you about the controversy about the position of the defect Hamiltonian Theory of Fractional Chern Bands – R. Shankar Thu. March 7th, 2013 4:15 pm-5:15 pm It has been known for some time that a system with a filled band will have an integer quantum Hall Semiconductor nanocrystals for room-temperature coherent electronics: A flexible platform for manipulating spin coherence – Jesse Berezovsky Mon. March 4th, 2013 12:30 pm-1:30 pm One route towards future electronics is to exploit interactions between coherent electron spin states and photons in semiconductor structures. This Molecular interactions: linking physics and biology – Yi-Kuo Yu Thu. February 28th, 2013 4:15 pm-5:15 pm Molecular interactions determine, for example, how transcription factors recognize their DNA binding sites, how proteins interact with each other, and CMB Non-Gaussianity from Recombination and Fingerprints of Dark Matter – Cora Dvorkin Tue. February 26th, 2013 11:30 am-12:30 pm In this talk, I show that dark matter annihilation around the time of recombination can lead to growing ionization perturbations, Shedding some light on liquid crystalline organic semiconductors – Brett Ellman Mon. February 25th, 2013 12:30 pm-1:30 pm We live in a world whose technology is ruled by a small set of inorganic semiconductors, notably silicon. Research on Many Worlds, the Born Rule, and Self-Locating Uncertainty – Sean Carroll Thu. February 21st, 2013 4:15 pm-5:15 pm A longstanding issue in attempts to understand the Everett (Many-Worlds) approach to quantum mechanics is the origin of the Born Nanostructures in Motion: Probing Surface Science and Fracture Mechanics at Molecular Level – Zenghui Wang Mon. February 18th, 2013 12:30 pm-1:30 pm Nanomaterials, since their debut, have greatly advanced human knowledge from many aspects. For example, carbon-based nanomaterials, such as carbon nanotube Electrostatic charging of flowing granular materials – Dan Lacks Thu. February 14th, 2013 4:15 pm-5:15 pm Contact charging occurs when two materials are brought into contact and then are separated. As a result of the contact, Self-Assembly and Packing of Polyhedra into Complex Structures – Michael Engel Mon. February 11th, 2013 12:30 pm-1:30 pm Isolating the role of building block shape for self-assembly and packing provides insight into the ordering of molecules and the The 2012 Science Nobel Prizes – What were they given for? – George Dubyak (Physiology and Biophysics), Paul Tesar (Genetics), Harsh Mathur (Physics) Thu. February 7th, 2013 4:15 pm-5:15 pm Three 15-minute talks on the 2012 Nobel prizewinners and their work. The 2012 Nobel Prize in Physics: Making Gedanken Experiments Real. Routing Light with Spatial Solitons: Light Localization and Steering in Liquid Crystals – Antonio DeLuca Mon. February 4th, 2013 12:30 pm-1:30 pm Nematic Liquid Crystals (NLCs) support strong nonlinear effects, most of them due to the high birefringence and non-local response. Light Unifying theory for universal quake statistics: from compressed nanopillars to earthquakes – Karin Dahmen Thu. January 31st, 2013 4:15 pm-5:15 pm The deformation of many solid and granular materials is not continuous, but discrete, with intermittent slips similar to earthquakes. Here, The Two-Envelope Paradox – Edwin Meyer Thu. January 24th, 2013 4:15 pm-5:15 pm One of the most puzzling paradoxes in philosophy, mathematics and finance is the two-envelope paradox (http://en.wikipedia.org/wiki/Two_envelopes_problem). It is many years old, Unparticles in Strongly Correlated Electron Matter – Philip Phillips Thu. January 17th, 2013 4:15 pm-5:15 pm Several years ago, Howard Georgi introduced the concept of unparticles. Unparticle stuff has no particular mass. In fact, the mass Unveiling the Mystery of Mass – Christoph Paus Thu. December 6th, 2012 4:15 pm-5:15 pm One of the prime reasons the Large Hadron Collider (LHC) was built is to resolve the question how particles acquire Odd tensor modes from particle production during inflation – Lorenzo Sorbo Tue. December 4th, 2012 11:30 am-12:30 pm Several mechanisms can lead to production of particles during primordial inflation. I will review how such a phenomenon occurs and Terahertz plasmons and magnetoplasmons in graphene – Hugen Yan Mon. December 3rd, 2012 12:30 pm-1:30 pm Plasmons in metal surfaces and clusters have been extensively studied due to their potential applications in sensing, imaging, light harvesting Statics and Dynamics of Colloidal Particles in Liquid Crystals – Oleg Lavrentovich Thu. November 29th, 2012 4:15 pm-5:15 pm Colloids and liquid crystals are two important classes of soft matter, usually explored independently of each other. The most studied Quantum Dots and Magnetic Quantum Dots for Biomedical Imaging and Separations – Jessica Winter Mon. November 26th, 2012 12:30 pm-1:30 pm Quantum dots, semiconductor nanocrystals, have unique optical properties, including narrow emission bandwidths, broad excitation spectra, and remarkable photostability, which have Advances in Solving the Two-Body Problem in General Relativity: Implications for the Search of Gravitational Waves – Alessandra Buonanno Tue. November 20th, 2012 11:30 am-12:30 pm Compact binary systems composed of black holes and neutron stars are among the most promising sources for ground-based gravitational-wave detectors, Quench dynamics in one-dimensional systems – Aditi Mitra Mon. November 19th, 2012 12:30 pm-1:30 pm How an interacting many-particle system which is initially out of equilibrium evolves in time, is a challenging question, especially for Nuclear Q & A – William Fickinger Thu. November 15th, 2012 4:15 pm-5:15 pm This talk addresses key questions associated with nuclear energy and weapons technologies and their impact on society. The intended audience Effective Field Theory for Fluids – Rachel Rosen Tue. November 13th, 2012 11:30 am-12:30 pm In this talk I will present the low-energy effective field theory that describes the infrared dynamics of non-dissipative fluids. In Playing with monomolecular layers: model biological systems and liquid crystal alignment layers – Elizabeth Mann Mon. November 12th, 2012 12:30 pm-1:30 pm Self-assembly within biological membranes controls structure, from the nano- to the microscale. The same physical processes also apply to synthetic Electro-active polymers and high-power-density energy storage – Jerry Bernholc Thu. November 8th, 2012 4:15 pm-5:15 pm The usual means of storing electrical energy are either batteries, where the current induces chemical reactions, or capacitors, where especially Recent Results from CDMS II and The SuperCDMS Dark-matter Program – Raymond Bunker Tue. November 6th, 2012 11:30 am-12:30 pm The Cryogenic Dark Matter Search experiment (CDMS II) was designed to directly detect dark matter by simultaneously measuring phonon and Half Metallic Ferromagnetism in Complex Oxides and Implications for Spintronics – Nandini Trivedi Mon. November 5th, 2012 12:30 pm-1:30 pm I will discuss the mechanism behind the remarkable properties of double perovskites like Sr2FeMoO6 that show half-metallic ground states with Biosensing with Magnetic Nanoparticles – John Weaver Thu. November 1st, 2012 4:15 pm-5:15 pm In Biology, many tools exist to study individual cells in culture but there is a paucity of tools to study FUNCTIONAL FILMS AND CERAMICS – Alp Sehirlioglu Mon. October 29th, 2012 12:30 pm-1:30 pm The presentation summarizes our recent efforts in developing new functional materials with a focus on operation in extreme environments. Discussion The First Quasars in Cosmic Structure Formation – Tiziana DiMatteo Thu. October 25th, 2012 4:15 pm-5:15 pm As we are just attempting to understand how galaxy formation is connected to the growth of supermassive black holes, one Qubit-Coupled Mechanics – Matt LaHaye Mon. October 22nd, 2012 12:30 pm-1:30 pm There is a rapidly growing effort to integrate quantum technologies with mechanical structures in order to manipulate and measure quantum Michelson Postdoc Prize talk 3:Many-body interactions in two-dimensional crystals – KinFai Mak Fri. October 19th, 2012 12:30 pm-1:30 pm The problem of electrons in 2D is one of the most important topics in contemporary condensed matter physics. Coulomb interactions Manybody interactions in two-dimensional crystals – Kin Fai Mak Fri. October 19th, 2012 2:30 pm-3:30 pm The problem of electrons in 2D is one of the most important topics in contemporary condensed matter physics. Coulomb interactions Beyond graphene: band insulators and topological insulators – Kin Fai Mak Thu. October 18th, 2012 4:15 pm-5:15 pm Beyond graphene there exist a rich family of two-dimensional crystals with a broad spectrum of electronic properties, which remain largely Beyond graphene: band insulators and topological insulators – Kin Fai Mak Thu. October 18th, 2012 4:15 pm-5:15 pm Beyond graphene, there exists a rich family of two-dimensional crystals with a broad spectrum of electronic properties, which remain largely Michelson Postdoc Prize talk 2:Optics with Dirac electrons – KinFai Mak Tue. October 16th, 2012 12:30 pm-1:30 pm Optical spectroscopy provides an excellent means of understanding the distinctive properties of electrons in the two-dimensional system of graphene. Within Optics with Dirac electrons – Kin Fai Mak Tue. October 16th, 2012 12:30 pm-1:30 pm Optical spectroscopy provides an excellent means of understanding the distinctive properties of electrons in the two-dimensional system of graphene. Within Michelson Postdoc Prize talk 1:Novel two-dimensional systems: graphene and beyond – KinFai Mak Mon. October 15th, 2012 12:30 pm-1:30 pm The past few years have witnessed a surge of activities in the study of graphene, a stable sheet comprised of Novel two-dimensional systems: graphene and beyond – Kin Fai Mak Mon. October 15th, 2012 4:15 pm-5:15 pm The past few years have witnessed a surge of activities in the study of graphene, a stable sheet comprised of Gamma-ray Pulsars with the Fermi Gamma-ray Space Telescope [joint with Astronomy] – David J. Thompson Thu. October 11th, 2012 4:15 pm-5:15 pm Pulsars, which are rapidly rotating magnetized neutron stars, are natural laboratories for physics under extreme conditions. Gamma radiation has now Kicking Chameleons: Early Universe Challenges for Chameleon Gravity – Adrienne Erickcek Tue. October 9th, 2012 11:30 am-12:30 pm Chameleon gravity is a scalar-tensor theory that mimics general relativity in the Solar System. The scalar degree of freedom is Multiferroic vortices in hexagonal manganites – Weida Wu Mon. October 8th, 2012 12:30 pm-1:30 pm Topological defects are pervasive in complex matter such as superfluids, liquid crystals, and early universe. They have been fruitful playgrounds Decades of Achievement — a tribute to nine of our number having birthdays ending in a zero – Various Thu. October 4th, 2012 4:15 pm-5:15 pm Three physics faculty have their 50th birthday this year, three have their 60th, and three their 80th. We celebrate their A new window on primordial non-Gaussianity – Enrico Pajer Tue. October 2nd, 2012 11:30 am-12:30 pm We know very little about primordial curvature perturbations on scales smaller than about a Mpc. I review how mu-type distortion of Into the flat land: Transport studies of ultra-dilute GaAs two-dimensional hole systems in zero field – Jian Huang Mon. October 1st, 2012 12:30 pm-1:30 pm Low temperature charge transport studies of high purity electron systems encompass fundamental subjects of disorder and electron-electron interaction. 50 years “How we fixed the Hubble Space Telescope” – James Breckinridge Thu. September 27th, 2012 4:15 pm-5:15 pm The Canadian Hydrogen Intensity Mapping Experiment (CHIME) – a new tool to probe the dark energy driven expansion history of the universe from z=1-3 – Matt Dobbs Tue. September 25th, 2012 11:30 am-12:30 pm The most surprising discovery in cosmology since Edwin Hubble observed the expansion of the Universe isthat the rate of this Valley-Electronics in 2D Crystals – Di Xiao Mon. September 24th, 2012 12:30 pm-1:30 pm In many crystals the Bloch bands have inequivalent and well separated energy extrema in the momentum space, known as valleys. Non-Gaussianity from general inflationary states – Nishant Agarwal Tue. September 18th, 2012 11:30 am-12:30 pm I will describe the effects of non-trivial initial quantum states for inflationary fluctuations within the context of the effective field Novel Ferroelectric Polymers as High Energy Density and Low Loss Dielectrics – Lei Zhu Mon. September 17th, 2012 12:30 pm-1:30 pm The state-of-the-art polymer dielectrics have been limited to nonpolar polymers with relatively low energy density and ultra low dielectric losses Gate Controlled Spin-Orbit Interaction and 1D Thermoelectric Transport in InAs Nanowires – Xuan Gao Thu. September 13th, 2012 4:15 pm-5:15 pm InAs nanowires provide an interesting nanomaterial platform for spintronic device and thermoelectric energy conversion applications, owing to their strong quantum Boosting the Universe: Observational consequences of our motion – Amanda Yoho Tue. September 11th, 2012 11:30 am-12:30 pm The Cosmic Microwave Background (CMB), photons from the earliest epoch that are able to free stream towards us, provides a Interfacial Charge Transfer in Nanomaterial Based Light Harvesting Devices – Mat Sfire Mon. September 10th, 2012 12:30 pm-1:30 pm We purposefully design and study “molecular-like” interfacial interactions between the multidimensional nanometer-scale building blocks that compose larger-scale functional light harvesting The Intersection between Science and Politics: How Science is Used and Abused in Congress – Chris Martin Thu. September 6th, 2012 4:15 pm-5:15 pm After spending a year working as a staffer in the US Senate’s Commerce, Science, and Transportation Committee, Dr. Chris Martin The interplay between high and low redshift universe – Azadeh Moradinezhad Dizgah Tue. September 4th, 2012 11:30 am-12:30 pm Download the slides Development of the II-IV Nitride Semiconductors; Considerations from Science, Technology and Sociology – Kathy Kash Thu. August 30th, 2012 4:15 pm-5:15 pm Ever since the profound effect of the invention of the transistor in 1947, the impact of inorganic semiconductors on our Supersymmetry, Naturalness, and the LHC: Where Do We Stand? – Matthew Reece Tue. May 1st, 2012 11:30 am-12:30 pm The LHC has accumulated a large luminosity and has already begun ruling out a wide range of theoretical scenarios. I Optical Material Science: Electrodynamics of Nanoscale Assembly, and Lifetime and Degradation Science for Photovoltaics – Roger H. French Mon. April 30th, 2012 12:30 pm-1:30 pm The optical properties and electronic structure of materials are critical to the development of new optical materials,(1) novel processes of Smectics! – Randall Kamien Thu. April 26th, 2012 4:15 pm-5:15 pm The homotopy theory of topological defects in ordered media fails to completely characterize systems with broken translational symmetry. I will Gravitational Wave Detection with Pulsars: the NANOGrav collaboration – Dan Stinebring Tue. April 24th, 2012 11:30 am-12:30 pm The effort to detect long-wavelength gravitational waves with a pulsar timing array (PTA) is progressing well, with three major international Magnetoresistance in Two Dimensions – Arnold J. Dahm Mon. April 23rd, 2012 12:30 pm-1:30 pm We present measurements of the magnetoresistivity of a weakly interacting 2D electron liquid in an unexplored region near the boundary Combining superconductors and ferromagnets: a new type of symmetry? – Norman Birge Thu. April 19th, 2012 4:15 pm-5:15 pm Physicists are constantly on the lookout for new symmetries in the ground states of quantum systems. Familiar examples include ferromagnets, Hunting for de Sitter vacua in the String Landscape – Gary Shiu Tue. April 17th, 2012 11:30 am-12:30 pm Results from observational cosmology suggest that our universe is currently accelerating. The simplest explanation is that we are living in Electronic structure of disordered solids – David A. Drabold Mon. April 16th, 2012 12:30 pm-1:30 pm Understanding the physics of structurally disordered materials is a challenge to experimentalists and theorists alike. In this talk, I discuss Stars, galaxies and cosmology in the nearby Universe [joint with Astronomy] – Alan McConnachie Thu. April 12th, 2012 4:15 pm-5:15 pm The basic tenets of the prevailing cosmological paradigm – Lambda-Cold Dark Matter – are generally well understood and robust to Bosonic and Fermionic Non-thermal Dark Matter Isocurvature Perturbations and Non-Gaussianities – Daniel Chung Tue. April 10th, 2012 11:30 am-12:30 pm Dark matter candidates in a broad class of non-thermal models produce primordial isocurvature perturbations and non-Gaussianities. We discuss the model Lasers and Anti-lasers – A. Douglas Stone Thu. April 5th, 2012 4:15 pm-5:15 pm A laser is an optical device that transforms incoherent input energy (the pump), into coherent outgoing radiation in a specific Ghost-free multi-metric interactions Tue. April 3rd, 2012 11:30 am-12:30 pm The idea that the graviton may be massive has seen a resurgence of interest due to recent progress which has The role of molecular beam epitaxy in fundamental physics through an example: assessing the impact of disorder on the v=5/2 fractional quantum Hall effect – Mike Manfra Fri. March 30th, 2012 11:30 am-12:30 pm Thirty years after its initial discovery, the fractional quantum Hall effect continues to challenge our understanding of electronic correlations in The Life and Death of a Drop: Topological Transitions and Singularities – Sidney Nagel Thu. March 29th, 2012 4:15 pm-5:15 pm Because fluids flow and readily change their shape in response to small forces, they are often used to model phenomena Chromo-Natural Inflation – Peter Adshead Tue. March 27th, 2012 11:30 am-12:30 pm I will describe a new model for inflation – Chromo-Natural Inflation – consisting of an axionic scalar field coupled to Micro and Nano Technology at the Lurie Nanofabrication Facility – Robert Hower Fri. March 23rd, 2012 12:30 pm-1:30 pm This seminar will give an overview of micro and nano technologies at the University of Michigan Lurie Nanofabrication Facility (LNF). Multilayer Polymer Photonics: From “Origami” Lasers to Optical Data Storage to Cavity Polaritons – Ken Singer Thu. March 22nd, 2012 4:15 pm-5:15 pm The National Science Foundation Center for Layered Polymer Systems (CLiPS), in its sixth year at CWRU, is focused on a Testing the concordance cosmology with weak gravitational lensing – Ali Vanderveld Tue. March 20th, 2012 11:30 am-12:30 pm Weak gravitational lensing, whereby the images of background galaxies are distorted by foreground matter, can be a powerful cosmological probe Anisotropic response in molecular crystals and the development of Modulated Orientation Sensitive Terahertz Spectroscopy (MOSTS) – Andrea Markelz Mon. March 19th, 2012 12:30 pm-1:30 pm Since the mid 1980’s there have been predictions of protein structural vibrations with ~ 1meV energies, which corresponds to the III-Nitride Light-Emitting Diodes for Solid-State Lighting – Hongping Zhao Mon. March 12th, 2012 12:30 pm-1:30 pm Energy efficiency and renewable energy technologies have significant importance for achieving sustainable energy systems in modern society. Lighting accounts for The Red Revolution: How Seismology of Red Giants is Transforming Stellar Physics and Stellar Population Studies [joint with Astronomy] – Marc Pinsonneault Thu. March 8th, 2012 4:15 pm-5:15 pm Space missions have uncovered a rich, and high amplitude, pulsation spectrum in red giant stars. The information encoded in the HgTe as a Topological Insulator – Laurens Molenkamp Mon. March 5th, 2012 12:30 pm-1:30 pm HgTe is a zincblende-type semiconductor with an inverted band structure. While the bulk material is a semimetal, lowering the crystalline An estimator for statistical anisotropy from the CMB bispectrum – Ema Dimstrogiovanni Tue. February 28th, 2012 11:30 am-12:30 pm Various data analysis of the Cosmic Microwave Background (CMB) radiation present anomalous features that can be interpreted as indications of Pollockian Mechanics: Painting with Viscous Jets – Andrzej Herczyński Thu. February 23rd, 2012 4:15 pm-5:15 pm Beginning around 1945, an American Abstract Expressionist painter Jackson Pollock invented and perfected a new artistic technique based on pouring Local Primordial non-Gaussianity in Large-scale Structure – Marilena LoVerde Tue. February 21st, 2012 11:30 am-12:30 pm Primordial non-Gaussianity is among the most promising of few observational tests of physics at the inflationary epoch. At present non-Gaussianity High Tc superconductivity in cuprates: A status report – Mohit Randeria Fri. February 17th, 2012 12:30 pm-1:30 pm 25 years after their discovery, the microscopic problem of high Tc superconductivity in cuprates is still not “solved”. I will Viscosity of Strongly Interacting Fermions – Mohit Randeria Thu. February 16th, 2012 4:15 pm-5:15 pm The viscosity of strongly interacting quantum fluids has recently been examined in diverse areas of physics – black holes and Inflation, or What? – William Kinney Tue. February 14th, 2012 11:30 am-12:30 pm Cosmological inflation is the leading candidate theory for the physics of the early universe, and is in beautiful agreement with Quantum Signatures of Optomechanical Instability and Synchronization in Optomechanical Arrays – Jiang Qian Mon. February 13th, 2012 12:30 pm-1:30 pm Optomechanical systems couple light stored in an optical resonant cavity to the motion of a mechanical motion of the cavity The 2011 Science Nobel Prizes – What were they given for? – Glenn Starkman, Arthur Heuer, and Mansun Sy Thu. February 9th, 2012 4:15 pm-5:15 pm GLENN STARKMAN (Dept. of Physics) will present on the Nobel Prize in Physics: The 2011 Nobel Prize in Physics was Quantum Kinetics and Thermalization of Hawking Radiation – Dmitry Podolsky Tue. February 7th, 2012 11:30 am-12:30 pm Hawking’s discovery of black holes radiance along with Bekenstein’s conjecture of the generalized second law of thermodynamics inspired a conceptually Condensates and quasiparticles in inflationary cosmology – Daniel Boyanovsky Mon. February 6th, 2012 11:30 am-12:30 pm Correlation functions during inflation feature infrared effects that could undermine a perturbative study. I will discuss self-consistent mechanisms of mass Fe pnictide superconductors – David Singh Mon. February 6th, 2012 12:30 pm-1:30 pm The 2008 discovery of high temperature superconductivity in doped LaFeAsO by Kamihara and co-workers provided the second class of high Oriented assembly of microparticles by capillarity – Kate Stebe Thu. February 2nd, 2012 4:15 pm-5:15 pm Particles with well defined shapes can be directed to assemble into complex structures by capillarity. Here we explore two themes. Gravitational Waves from Cosmological Phase Transitions – Tom Giblin Tue. January 31st, 2012 11:30 am-12:30 pm Cosmological phase transitions occurred. I will talk about recent advances in modeling possible phase transitions when these transitions are mediated The Incredible Shrinking Tuning Forks – Nanowire Electromechanical Systems at Radio and Microwave Frequencies – Philp Feng Mon. January 30th, 2012 12:30 pm-1:30 pm Nanoscience today enables many fascinating low-dimensional structures and new materials with previously inaccessible properties. Nanostructures with mechanical degrees of freedom Higgs Boson – on the road to discovery – Sergo Jindariani Thu. January 26th, 2012 4:15 pm-5:15 pm The Higgs boson is an important piece of the Standard Model of particle physics that has yet to be experimentally Spatially Covariant Theories of a Transverse, Traceless Graviton – Godfrey Miller Tue. January 24th, 2012 11:30 am-12:30 pm General relativity is a generally covariant, locally Lorentz covariant theory of two transverse, traceless graviton degrees of freedom. According to Fundamental Physics from Large-Scale Structure – Dragan Huterer Thu. January 19th, 2012 4:15 pm-5:15 pm A little more than a decade after the discovery of the accelerating universe, the nature of dark energy remains one Can that really be so? A light-hearted look at the concept of force in classical, quantum, and statistical mechanics – Philip Taylor Thu. December 8th, 2011 4:15 pm-5:15 pm Some folk think that there are four types of force. Napoleon thought there were two. I am going to talk about Graphene Optics and Electronics – Marcus Freitag Mon. December 5th, 2011 12:30 pm-1:30 pm Graphene is a two-dimensional material with conical bands that touch at the Dirac or Charge-Neutrality point. Its zero bandgap and Dark matter bounds from direct and indirect searches – Aravind Natarajan Tue. November 22nd, 2011 11:30 am-12:30 pm I discuss ways of constraining dark matter properties using a combination of direct and indirect dark matter measurements. The DAMA, Charge carrier dynamics in heterostructured semiconductor nanocrystals and nanocrystal solids – Michail Zamkov Mon. November 21st, 2011 12:30 pm-1:30 pm In the first part, I will present a novel strategy for processing of colloidally stable semiconductor nanoparticles (also known as Closing In On Dark Matter – Dan Hooper Thu. November 17th, 2011 4:15 pm-5:15 pm A variety of direct and indirect searches for dark matter are currently underway, a number of which have even reported Light does not always travel on the light cone – Yi-Zen Chu Tue. November 15th, 2011 11:30 am-12:30 pm Massless particles such as photons and gravitons do not travel solely on the null cone in a generic curved spacetime. A physicist walks into a biology department… – Robin Snyder Mon. November 14th, 2011 12:30 pm-1:30 pm I present two recent projects in theoretical ecology and point out the connections to math loved by physicists. The first Holographic Quantum Quench – Sumit Das Fri. November 11th, 2011 11:30 am-12:30 pm The holographic correspondence between non-gravitational field theories and gravitational theories in one higher dimension can be used to study non-equilibrium A Paradise Island for Deformed Gravity – Florian Kuehnel Tue. November 8th, 2011 11:30 am-12:30 pm I will discuss our recently-proposed model (hep-th/1106.3566) of deformations of general relativity that are consistent and potentially phenomenologically viable, since The search for Majorana Fermions in semiconductor nanowires – Roman Lutchyn Mon. November 7th, 2011 12:30 pm-1:30 pm The exploration of topological phases of matter is one of the main challenges in condensed matter physics. Among the exciting Computational Thermodynamics: First Principles Prediction of Crystal Structures and Alloy Phase Diagrams – Michael Widom Thu. November 3rd, 2011 4:15 pm-5:15 pm As Feynman noted, rules of chemistry are determined “in principle” by physics, but just as knowing the rules of chess Measuring the dark sector with clusters of galaxies – Douglas Clowe Tue. November 1st, 2011 11:30 am-12:30 pm Since Zwicky (1933), we have known that clusters of galaxies have gravitational potentials which are too large to be explained Theoretical studies of magnetic and structural thermodynamics using effective Hamiltonians – Kirill Belashchenko Mon. October 31st, 2011 12:30 pm-1:30 pm Effective configurational and spin Hamiltonians are commonly used to study magnetic and structural thermodynamics. For some purposes, such as the Carving Out the Space of Conformal Field Theories – David Simmons-Duffin Fri. October 28th, 2011 11:30 am-12:30 pm Conformal Field Theories (CFTs) are theories that are symmetric under changes of distance scale, like a fractal or a Russian Photorefractive Polymers for an Updatable Holographic Display – Cory Christenson Mon. October 24th, 2011 12:30 pm-1:30 pm Holography is a technique commonly used to display objects in three-dimensions, as it has the potential to accurately reproduce all Energetics and Electronic Structure of Point Defects in Oxide Semiconductors: A Density Functional Approach – Fumiyasu Oba Fri. October 21st, 2011 12:30 pm-1:30 pm Because of the crucial roles of point defects in the physical properties of pristine and doped oxide semiconductors, a fair Development of a magnetic-resonance-imaging-guided radiation-therapy device to treat cancer patients – James Dempsey Thu. October 20th, 2011 4:15 pm-5:15 pm Nearly two-thirds of all cancer patients in the U.S. receive radiation therapy to treat their illness. Many advanced technologies have Understanding Chameleon Scalar Fields via Electrostatic Analogy – Kate Jones-Smith Tue. October 18th, 2011 11:30 am-12:30 pm The late-time accelerated expansion of the universe could be caused by a scalar field that is screened on small scales, Variational Studies on the Kagome Lattice – Jesse Kinder Mon. October 17th, 2011 12:30 pm-1:30 pm The two dimensional kagome lattice is a highly frustrated spin system. When spins are placed on the vertices of the Electronic liquid crystal correlations in the pseudogap phase of high Tc cuprates – Michael Lawler Thu. October 13th, 2011 4:15 pm-5:15 pm The pseudogap phase of cuprate oxides is one of the most perplexing phases in condensed matter physics; it is a Measuring the electronic properties of single semiconductor nanowire heterostructures using advanced optical spectroscopies – Leigh M. Smith Mon. October 10th, 2011 12:30 pm-1:30 pm There has been intense interest in recent years to control the electronic structure in quasi one-dimensional nanowires through the fabrication Moving spins with heat: spin-Seebeck effect in a ferromagnetic semiconductor and Polarization-induced pn-junctions in wide band gap semiconductor nanowires – Roberto Myers Mon. October 3rd, 2011 12:30 pm-1:30 pm Many proposed spin-based devices require transfer of spin into non-magnetic materials, which is usually accomplished by driving a charge current Temperature-accelerated dynamics and kinetic Monte Carlo simulations of thin-film growth – Jacques Amar Thu. September 29th, 2011 4:15 pm-5:15 pm Thin-films are used in a variety of applications ranging from semiconductor technology to industrial coatings, sensors, and photovoltaic devices. In How Asymmetric Dark Matter May Alter the Conditions of Stardom – Andrew Zentner Tue. September 27th, 2011 11:30 am-12:30 pm Numerous recent experimental results have reinforced interest in a class of models dubbed “Asymmetric Dark Matter” (ADM), in which the First-principles electronic structure calculations in energy research – Emmanouil (Manos) Kioupakis Mon. September 26th, 2011 12:30 pm-1:30 pm As the world strives to reduce its reliance on fossil fuels, materials innovations can help catalyze the switch to renewable How the genome folds – Erez Lieberman Aiden Fri. September 23rd, 2011 11:30 am-12:30 pm I describe Hi-C, a novel technology for probing the three-dimensional architecture of whole genomes by coupling proximity-based ligation with massively Culturomics: Quantitative Analysis of Culture Using Millions of Digitized Books – Erez Liebermann-Aiden Thu. September 22nd, 2011 4:15 pm-5:15 pm We constructed a corpus of digitized texts containing about 4 per cent of all books ever printed. Analysis of this Lumps and bumps in the early universe: (p)reheating and oscillons after inflation – Mustafa Amin Tue. September 20th, 2011 11:30 am-12:30 pm Our understanding of the universe between the end of inflation and production of light elements is incomplete. How did inflation The metal insulator transition of VO2: Shining new (synchrotron-based) light on an old problem – Louis Piper Mon. September 19th, 2011 12:30 pm-1:30 pm The origin of the abrupt metal-insulator transition (MIT) in VO2 has been a subject of debate for several decades and Almost Quantum Mechanics – Benjamin Schumacher Thu. September 15th, 2011 4:15 pm-5:15 pm To understand how quantum mechanics works, it is useful to imagine alternative “foil” theories that work differently. Modal quantum theory Fukushima and the Future of Nuclear Energy in the U.S. – Richard Denning Thu. September 8th, 2011 4:15 pm-5:15 pm Dr. Denning will describe what actually happened in the Fukushima accident and provide an evaluation of the failure in safety Why are there so many interpretations of quantum mechanics? – Pierre Hohenberg Thu. September 1st, 2011 4:15 pm-5:15 pm The foundations of quantum mechanics have been plagued by controversy throughout the 85 year history of the field. It is Probing crystal defects by their vibrational modes – Sukit Limpijumnong Tue. July 5th, 2011 11:00 am-12:00 pm First principles calculations can be used to study many material properties from a fundamental point of view. This talk will Uniform Peak Conductivity in Single-Walled Carbon Nanotubes – Jesse Kinder Mon. June 27th, 2011 12:30 pm-1:30 pm A carbon nanotube is a one-dimensional system in which confinement of charge carriers and an unusual band structure lead to Sign reversal in dielectric anisotropy and dielectric relaxation in bent core liquid crystals – Jagdish Vij Mon. June 13th, 2011 12:30 pm-1:30 pm We investigate the nematic phase of a 4-cyanoresorcinol bisbenozate compound by varying its chain length from C4 to C9 using Experimental observation and manipulation of topological surface states – Yulin Chen Mon. May 9th, 2011 12:30 pm-1:30 pm Three-dimensional (3D) topological insulators (TIs) are a new state of quantum matter with a bulk gap generated by the spin To the GUT Scale – the Majorana Neutrino – Lindley Winslow Fri. May 6th, 2011 12:30 pm-1:30 pm To connect our current results and those from future reactor and long baseline experiments to the preferred theory for neutrinos “It’s Chooz Time Folks!” – Michelson Postdoctoral Prize Lecturer Lindley Winslow, Wed. May 4th, 2011 4:15 pm-5:15 pm The last decade has seen a revolution in our understanding of the tiniest fundamental particle, the neutrino. The results of Colloquium: It’s Chooz Time Folks! – Lindley Winslow Wed. May 4th, 2011 4:15 pm-5:15 pm The last decade has seen a revolution in our understanding of the tiniest fundamental particle the neutrino. The results of Three Neutrino Oscillation – The Missing Pieces – Lindley Winslow Tue. May 3rd, 2011 12:30 pm-1:30 pm Out of the whirlwind of results of the last decade, a new picture is emerging. As we fit together the Strong-arming electron spin dynamics – Jason Petta Mon. May 2nd, 2011 12:30 pm-1:30 pm A single electron spin in an external magnetic field forms a two-level system that can be used to create a The Neutrino and Oscillation: A Revolution – Lindley Winslow Mon. May 2nd, 2011 4:15 pm-5:15 pm In the last decade three key experiments KamLAND, SNO, and Super Kamiokande have revolutionized our understanding of the neutrino and Massive gravitons and enhanced gravitational lensing – Mark Wyman Tue. April 26th, 2011 11:30 am-12:30 pm The mystery of dark energy suggests that there is new gravitational physics at low energies and on long length scales. Scanning tunneling microscopy studies of single magnetic ions in GaAs – Jay Gupta Mon. April 25th, 2011 12:30 pm-1:30 pm The scaling of electronic devices such as field effect transistors to nanometer dimensions requires more precise control of individual dopants Exploring the Energy (and Lifetime) Frontiers with the CMS Experiment – Christopher Hill Thu. April 21st, 2011 4:15 pm-5:15 pm In November 2010, the Large Hadron Collider (LHC) at CERN completed its first physics run of proton-proton collisions at sqrt(s) Electron-electron interaction and transport in bilayer graphene – Jun Zhu Mon. April 18th, 2011 12:30 pm-1:30 pm Bilayer graphene, or two layers of graphene stacked together in Bernal stacking, is a unique two-dimensional electron system with hyperbolic Nano is more than size: The role of geometry in the electronic structure of carbon nanostructures – Vince Crespi Fri. April 15th, 2011 12:30 pm-1:30 pm The atomic-scale order of highly deformable yet chemically inert carbon frameworks animates a wide range of novel structural, optical, and Financial Mathematics for Physicists – Bryan Lynn Thu. April 14th, 2011 4:15 pm-5:15 pm Learning about Aspects of Clusters and Cosmology from Weak and Strong Gravitational Lensing Approaches – Mandeep Gill Tue. April 12th, 2011 11:30 am-12:30 pm I will cover several aspects of current astrophysics that can be probed by various regimes of lensing in simulations and Thick-wall tunneling in a piecewise linear and quadratic potential – Pascal Vaudrevange Tue. April 12th, 2011 11:30 am-12:30 pm After reviewing the basics of Coleman deLuccia tunneling, especially in the thin-wall limit, I discuss an (almost) exact tunneling solution Colloidal Quantum Dot Solar Cells – Randy Ellingson Mon. April 11th, 2011 12:30 pm-1:30 pm Earth’s need for clean energy becomes more evident with each demonstration of the shortcomings of fossil and nuclear energy sources. The Comprehensive Nuclear-Test Ban Treaty – Rob Nelson Thu. April 7th, 2011 4:15 pm-5:15 pm I will review the technical history of nuclear weapons, the U.S.-Soviet nuclear arms race and efforts to control the spread Gravitational wave astronomy in the next decade – Xavier Siemens Tue. April 5th, 2011 11:30 am-12:30 pm In the next decade two types of gravitational wave experiments are expected to result in the direct detection of gravitational Ab-initio Heat Transfer: Predicting thermal transport in nanostructures and materials from the atoms up – Derek Stewart Mon. April 4th, 2011 12:30 pm-1:30 pm While electronic transport has been the focus of intensive research for nearly a century, thermal transport has proven difficult to Black Holes and Thermodynamics – Jennie Traschen Thu. March 31st, 2011 4:15 pm-5:15 pm In 1971 Hawking published the Area Theorem, which shows that the area of a black hole either increases or stays Testing Dark Energy with Massive Galaxy Clusters – Michael Mortonson Tue. March 29th, 2011 11:30 am-12:30 pm Existing observations of the cosmic expansion history place strong restrictions on the rate of large scale structure growth predicted by Toward Graphene-Based Photovoltaics – Liang-shi Li Mon. March 28th, 2011 12:30 pm-1:30 pm Solution-processable thin-film solar cells can be competitive with silicon-based ones in terms of electricity output/cost ratio and therefore have great New observational power from halo bias – Sarah Shandera Tue. March 22nd, 2011 11:30 am-12:30 pm Non-Gaussianity of the local type will be particularly well constrained by large scale structure through measurements of the power spectra Dark Energy: constant or time variable? (… and other open questions) – Bharat Ratra Thu. March 17th, 2011 4:15 pm-5:15 pm Experiments and observations over the last decade have persuaded cosmologists that (as yet undetected) dark energy is by far the Constraining the cosmic growth history with large scale structure – Rachel Bean Tue. March 15th, 2011 11:30 am-12:30 pm We consider how upcoming, prospective large scale structure surveys, measuring galaxy weak lensing, position and peculiar velocity correlations, in tandem The 2010 Nobel (Sciences) Prize-fest – Tim Atherton, Yanming Wang, and Paul Tesar Thu. March 3rd, 2011 4:15 pm-5:15 pm Three 15-minute talks on the 2010 Nobel prizewinners and their work The New World of Gamma Ray Astronomy – Lucy Fortson Thu. February 24th, 2011 4:15 pm-5:15 pm With the third generation ground-based gamma-ray telescopes delivering over a hundred new TeV emitting objects and with the new Fermi From Lasing in Soft-Composite Materials to Optical Transparency in Metamaterials – Giuseppe Strangi Mon. February 21st, 2011 4:15 pm-5:15 pm Lasing materials range from periodic systems such as photonic crystals to partially ordered and disordered dielectric materials that scatter light What to do with 350,000 astronomers – Chris Lintott Fri. February 18th, 2011 11:30 am-12:30 pm Since its launch in 2007, the Galaxy Zoo project has involved hundreds of thousands of volunteers in the morphological classification The Persistent Mystery of the Highest Energy Cosmic Ray – Corbin Covault Thu. February 17th, 2011 4:15 pm-5:15 pm One of the longest-standing mysteries of fundamental astrophysics is the origin and nature of the highest energy cosmic rays. These Two packing problems – Narayanan Menon Thu. February 10th, 2011 4:15 pm-5:15 pm I will discuss progress in two ongoing sets of experiments on the packing of macroscopic objects. The first of these Astrophysics with Gravitational-Wave Detectors – Vuk Mandic Tue. February 8th, 2011 11:30 am-12:30 pm Gravitational waves are predicted by the general theory of relativity to be produced by accelerating mass systems with quadrupole moment. InN and ZnO: Unexpected Commonalities – Steven Durbin Mon. February 7th, 2011 12:30 pm-1:30 pm InN is an infrared bandgap semiconductor (although it hasn’t always been that way); ZnO is an ultraviolet bandgap material used Pi-conjugated organic materials: properties, applications and the importance of interfaces – Mats Fahlman Thu. February 3rd, 2011 4:15 pm-5:15 pm Electronics applications such as light emitting devices for lighting and flat panel displays, transistors, solar cells and sensors based on New and Old Massive Gravity – Claudia de Rham Tue. February 1st, 2011 11:30 am-12:30 pm TBA Accurate and efficient solutions of wave propagation problems in periodic media – Catalin Turc Mon. January 31st, 2011 12:30 pm-1:30 pm Many devices designed to guide and control waves rely on periodic structures on the wavelength scale: these include diffraction gratings A Biophysical Perspective of Understanding Nanoparticles at Large – Pu-Chun Ke Thu. January 27th, 2011 4:15 pm-5:15 pm In this talk I will present a biophysical perspective that describes the fate of nanoparticles in both the aqueous phase Advanced Materials Stabilized by Interfacial Particles – Paul S. Clegg Thu. January 20th, 2011 4:15 pm-5:15 pm Emulsions, typically droplets of oil in water, are widely used in, e.g. cosmetics, paints, foods and polymer synthesis. The surface A new method for cosmological parameter estimation from Supernovae Type Ia data – Marisa March Tue. January 18th, 2011 11:30 am-12:30 pm We present a new methodology to extract constraints on cosmological parameters from SNIa data obtained with the SALT lightcurve fitter. Aggregating Dyes and Chromonic Liquid Crystals – Peter Collings Thu. January 13th, 2011 4:15 pm-5:15 pm Chromonic liquid crystals form when molecules aggregate into anisotropic shapes at high enough density to promote orientational order. There is Smart Polymeric Materials: From Fundamental Science to New Technologies – Mark G. Kuzyk Wed. January 12th, 2011 4:15 pm-5:15 pm Dye doped polymers, which were originally designed for nonlinear-optical applications, combine the good optical quality and processabilty of the host K-essence Interactions with Neutrinos: Flavor Oscillations without Mass – Christopher Gauthier Tue. December 7th, 2010 11:30 am-12:30 pm In this talk we discuss a novel means of coupling neutrinos to a Lorentz violating background k-essence field. K-essence is Ferromagnetic semiconductors and the role of disorder – Bruce Wessels Mon. December 6th, 2010 12:30 pm-1:30 pm Magnetic semiconductors having Curie temperature greater than 300 K are of interest for a wide variety of spintronic device applications. Cosmology with the South Pole Telescope – John Ruhl Thu. December 2nd, 2010 4:15 pm-5:15 pm The South Pole Telescope is dedicated to mapping several thousand square degrees of the southern sky at millimeter wavelengths. Four Chemical Design of Magnetic Nanomaterials – Ana Cristina Samia Mon. November 29th, 2010 12:30 pm-1:30 pm Nanosized magnetic materials continue to attract great interest due to their wide range of potential applications from data storage to Imaging 3D spatiotemporal hemodynamics of single cortical vessels in vivo using two-photon laser scanning microscopy – Peifang Tian Mon. November 22nd, 2010 12:30 pm-1:30 pm The dynamics response of individual cerebral vessels to sensory-stimuli is crucial to form a mechanistic understanding of functional imaging technologies, Electroweak stars: Electroweak Matter Destruction as an Exotic Stellar Engine – Dejan Stokovic Thu. November 18th, 2010 4:15 pm-5:15 pm Stellar evolution from a protostar to neutron star is of one of the best studied subjects in modern astrophysics. Yet, Light from Cosmic Strings – Tanmay Vachaspati Tue. November 16th, 2010 11:30 am-12:30 pm TBA Stories of Large Scale Graphene – Yong Chen Mon. November 15th, 2010 12:30 pm-1:30 pm Graphene has rapidly risen in the past few years to become one of the most actively researched topics in condensed Rethinking MR: Collecting information instead of images – Mark Griswold Thu. November 11th, 2010 4:15 pm-5:15 pm Magnetic resonance imaging (MRI) provides exquisite depiction of anatomy and function without the ionizing radiation found in e.g. CT or Modeling defects, microstructure, and shape evolution in orientationally ordered soft materials: nematic elastomers and lipid vesicles – Robin Selinger Mon. November 8th, 2010 12:30 pm-1:30 pm Liquid crystal elastomers, sometimes called “artificial muscles,” combine the elastic properties of rubber with the molecular order properties of liquid The quest for dilute ferromagnetism in semiconductors: Guides and misguides by theory – Stephan Lany Thu. November 4th, 2010 4:15 pm-5:15 pm Semiconductivity (SC) and ferromagnetism (FM) are an unlikely couple, each having quite different desires in regard of the electronic band Testing the No-Hair Theorem with Astrophysical Black Holes – Dmitrios Psaltis Tue. November 2nd, 2010 11:30 am-12:30 pm The Kerr spacetime of spinning black holes is one of the most intriguing predictions of Einstein’s theory of general relativity. Cosmological Constraints from Peculiar Velocities – Arthur Kosowski Fri. October 29th, 2010 11:30 am-12:30 pm Peculiar velocities of galaxies and clusters are induced during the formation of structure in the universe via gravitational forces. As Heterovalent ternary compounds, a new form of semiconductor property engineering: from electronic energy bands to lattice dynamics – Walter Lambrecht Thu. October 28th, 2010 4:15 pm-5:15 pm Over the last five years or so, my group has studied the properties of a new family of nitride semiconductors, Polymeric materials for printable electronic applications: from synthesis to device characterization – Genevieve Sauve Mon. October 25th, 2010 12:30 pm-1:30 pm Conjugated polymers are considered by many as leading candidates to produce the next generation of electronics. This belief is based Strands of Superconductivity at the Nanoscale – Paul Goldbart Thu. October 21st, 2010 4:15 pm-5:15 pm Superconducting circuitry can now be fabricated at the nanoscale, e.g., by depositing suitable materials on to single molecules, such as Absorption/Expulsion of Oligomers and Linear Macromolecules in a Polymer Brush – Sergei Egorov Mon. October 18th, 2010 12:30 pm-1:30 pm The absorption of free linear chains in a polymer brush was studied with respect to chain size and compatibility with IR issues in Inflation – Richard Holman Fri. October 15th, 2010 11:30 am-12:30 pm I review some problems involving IR divergences in de Sitter space that give rise to behavior such as secular growth From quantum mechanics to radiology to business, starting with the basic physics of vascular imaging – Mark Haacke Thu. October 14th, 2010 4:15 pm-5:15 pm TBA The Angular Distribution of the Highest-Energy Cosmic Rays – Andrew Jaffe Tue. October 12th, 2010 11:30 am-12:30 pm TBA Fractionalization in Mesoscopic Rings – Smitha Vishveshwara Mon. October 11th, 2010 12:30 pm-1:30 pm A spectacular phenomenon that can occur in strongly correlated low dimensional systems is that of fractionalization. In such electronic systems, Bulk viscosity and the damping of neutron star oscillations – Mark Alford Fri. October 8th, 2010 11:30 am-12:30 pm How do we learn about the phases of matter beyond nuclear density? They are to be found only in the Exciton-Plasmon Interactions and Fano Resonances in Nanostructures – Alexander Govorov Mon. October 4th, 2010 12:30 pm-1:30 pm Coulomb and electromagnetic interactions between excitons and plasmons in nanocrystals cause several interesting effects: energy transfer between nanoparticles (NPs), plasmon Morphology and dynamics of polymers at interfaces – Mesfin Tsige Thu. September 30th, 2010 4:15 pm-5:15 pm The surface and interfacial properties of polymers play a key role in many technological applications ranging from telecommunication to biotechnology. CMB in a Box – Raul Abramo Tue. September 28th, 2010 11:30 am-12:30 pm First, I will show that the line-of-sight solution to cosmic microwave anisotropies in Fourier space, even though formally defined for Embedded nanopillars for solar cell applications – Jingbiao Cui Mon. September 27th, 2010 12:30 pm-1:30 pm Nanopillar radial junctions achieved by embedding nanopillars in absorbing thin films have potential for improved performance in solar cells due High-efficiency thermoelectric materials: new design strategies, new applications – Joseph Heremans Thu. September 23rd, 2010 4:15 pm-5:15 pm Thermoelectric energy converters are solid state devices that convert thermal to electrical energy, and are used in heat pumps and Does Quantum Mechanics Imply Gravity? – Harsh Mathur Tue. September 21st, 2010 11:30 am-12:30 pm TBA Studies of reflection-band defects in 1D polymeric photonic crystals – Guilin Mao Mon. September 20th, 2010 12:30 pm-1:30 pm Disorder or variation of the periodic structure of 1D-photonic crystal can lead to defects in the reflection band, characterized by Triboelectric Charging in Granular Systems – Daniel Lacks Mon. September 13th, 2010 12:30 pm-1:30 pm Have you ever received a shock when you touched a doorknob after shuffling across a carpeted floor? The culprit, known Spin torque effects in magnetic tunnel junctions – Olle Heinonen Thu. September 9th, 2010 4:15 pm-5:15 pm The prediction by Slonczewski and Berger that currents in magnetic heterostructures can exert a torque on the magnetization in the Galileon Inflation and Non-Gaussianities – Andrew Tolley Tue. September 7th, 2010 11:30 am-12:30 pm I will discuss a new class of inflationary models based upon the idea of Galileon fields, scalar fields that exhibit Massively parallel Density functional calculations for thousands of atoms: KKRnano – Alexander Thiess Mon. August 30th, 2010 12:30 pm-1:30 pm Existing highly precise density functional method for electronic structure calculations are mostly restricted to the treatment of at maximum a Michelson Lectures — High-Energy Physics with Low-Energy Symmetry Studies – David Hanneke Fri. May 14th, 2010 11:30 am-12:30 pm Discrete symmetries — charge conjugation (C), parity inversion (P), time reversal (T), and their combinations — provide insight into the High-Energy Physics with Low-Energy Symmetry Studies – David Hanneke Fri. May 14th, 2010 12:30 pm-1:30 pm Discrete symmetries — charge conjugation (C), parity inversion (P), time reversal (T), and their combinations — provide insight into the Michelson Lectures — Cavity Control in a Single-Electron Quantum Cyclotron: An Improved Measurement of the Electron Magnetic Moment – David Hanneke Thu. May 13th, 2010 11:30 am-12:30 pm Measurements of the electron magnetic moment (the “g-value”) probe the electron’s interaction with the fluctuating vacuum. With a quantum electrodynamics Cavity Control in a Single-Electron Quantum Cyclotron: An Improved Measurement of the Electron Magnetic Moment – David Hanneke Thu. May 13th, 2010 4:15 pm-5:15 pm Measurements of the electron magnetic moment (the “g-value”) probe the electron’s interaction with the fluctuating vacuum. With a quantum electrodynamics Cavity Control in a Single-Electron Quantum Cyclotron: An Improved Measurement of the Electron Magnetic Moment – David Hanneke Thu. May 13th, 2010 4:15 pm-5:15 pm Measurements of the electron magnetic moment (the “g-value”) probe the electron’s interaction with the fluctuating vacuum. With a quantum electrodynamics Michelson Lectures — Optical Atomic Clocks – David Hanneke Tue. May 11th, 2010 11:30 am-12:30 pm The most precise measurement techniques involve time, frequency, or a frequency ratio. For example, for centuries, accurate navigation has relied Michelson Postdoctoral Lecture 2:Optical Atomic Clocks – David Hanneke Tue. May 11th, 2010 12:30 pm-1:30 pm The most precise measurement techniques involve time, frequency, or a frequency ratio. For example, for centuries, accurate navigation has relied Optical Atomic Clocks – David Hanneke Tue. May 11th, 2010 12:30 pm-1:30 pm The most precise measurement techniques involve time, frequency, or a frequency ratio. For example, for centuries, accurate navigation has relied Michelson Lectures — Entangled Mechanical Oscillators and a Programmable Quantum Computer: Adventures in Coupling Two-Level Systems to Quantum Harmonic Oscillators – David Hanneke Mon. May 10th, 2010 11:30 am-12:30 pm The two-level system and the harmonic oscillator are among the simplest analyzed with quantum mechanics, yet they display a rich Michelson Postdoctoral Lecture 1: Entangled Mechanical Oscillators and a Programmable Quantum Computer: Adventures in Coupling Two-Level Systems to Quantum Harmonic Oscillators – David Hanneke Mon. May 10th, 2010 12:30 pm-1:30 pm The two-level system and the harmonic oscillator are among the simplest analyzed with quantum mechanics, yet they display a rich Entangled Mechanical Oscillators and a Programmable Quantum Computer: Adventures in Coupling Two-Level Systems to Quantum Harmonic Oscillators – David Hanneke Mon. May 10th, 2010 4:15 pm-5:15 pm The two-level system and the harmonic oscillator are among the simplest analyzed with quantum mechanics, yet they display a rich William Herschel and the Invention of Modern Astronomy – Michael D. Lemonick Thu. May 6th, 2010 2:00 pm-3:00 pm In 1781, William Herschel became the first person in human history to discover a new planet. This feat was enough Understanding and predicting material properties: insight from quantum simulations – Giulia Galli Thu. April 29th, 2010 11:00 am-12:00 pm We discuss the progress and successes obtained in recent years in predicting fundamental properties of systems in condensed phases and Cosmological Bubbles and Solitons: A Classic(al) Effect – Tom Giblin Tue. April 27th, 2010 11:30 am-12:30 pm Cosmological bubble collisions arising from first order phase transitions are a generic consequence of the Eternal Inflation scenario. I will Atom Mapping and Correlated Functional Imaging of Nanowires – Lincoln J. Lauhon Mon. April 26th, 2010 12:30 pm-1:30 pm Nanowires are nanoscale in two dimensions and microscale in a third dimension, providing a wealth of opportunities to exploit novel Organic Spintronics – Valy Vardeny Thu. April 22nd, 2010 4:15 pm-5:15 pm Organic semiconductors have been used as active layer in devices such as organic light-emitting diodes (OLEDs), photovoltaic cells, field-effect transistors, Controlling Spin and Magnetism in Quantum Dots – Rafal Oszwaldowski Mon. April 19th, 2010 12:30 pm-1:30 pm A promising approach for the next generation of applications for information storage and processing comes from the field of spintronics (spin-electronics) Water on the Surface of the Moon – Jessica Sunshine (jointly with Astronomy) Thu. April 15th, 2010 4:15 pm-5:15 pm Although the Moon was widely thought to be anhydrous, OH and H2O absorptions were detected on the lunar surface by Diffusion Tensor Imaging: A Guided Tour – Cheng Guan Koay Thu. April 15th, 2010 12:30 pm-1:30 pm Diffusion tensor imaging (DTI) is a noninvasive magnetic resonance (MR) technique for investigating tissue microstructure and white matter architectural organization CP Violation in Bs->J/psi phi: Evidence for New Physics? – Karen Gibson Tue. April 13th, 2010 11:30 am-12:30 pm CP violation in the Bs->J/psi phi system has been one of the most discussed topics in particle physics in the Through A Glass, Darkly: Obtaining Quantitative Information from Microscope Images of Liquid Crystals – Tim Atherton Tue. April 13th, 2010 12:30 pm-1:30 pm Liquid Crystalline phases are identified by their beautiful textures when viewed under the polarizing microscope. These two-dimensional textures contain much Deterministic Isoeffective Dose – Proposal for a New Unit – The Barendsen (Bd) – Barry Wessels, Thu. April 8th, 2010 4:15 pm-5:15 pm Quantum Effects in Gravitational Collapse of a Reisner-Nordström Domain wall Tue. April 6th, 2010 11:30 am-12:30 pm We will investigate the formation of RN black holes by studying the collapse of a charged spherically symmetric domain wall. Hard tetrahedra and Quasi-Crystals – Rolfe G. Petschek Mon. April 5th, 2010 12:30 pm-1:30 pm I will describe the packing of hard tetrahedra. Contrary to recent speculations, Monte Carlo simulations show that at finite temperatures 2=1: The Gentle Art of Lying Thu. April 1st, 2010 4:15 pm-5:15 pm Even talented students struggle with fundamental concepts in mathematics and physics. They cannot reason with graphs and have no feel String theory cosmic strings – Dimitri P. Skliros Tue. March 30th, 2010 11:30 am-12:30 pm I will discuss the first construction of coherent states in the covariant formalism for both open and closed strings with Periodic networks in heterogeneous materials: theory and multiscale homogenization for soling heat transfer and deformation problems – Viktoria Savatorova Mon. March 29th, 2010 12:30 pm-1:30 pm All materials consist of some heterogeneity. In many cases heterogeneity can affect the properties of the whole sample, and this The Origin of the Universe and the Arrow of Time – Sean Carroll Thu. March 25th, 2010 4:15 pm-5:15 pm Over a century ago, Boltzmann and others provided a microscopic understanding for the tendency of entropy to increase. But this Tunneling in Flux Compactifications – Jose Blanco-Pillado Tue. March 23rd, 2010 11:30 am-12:30 pm We identify instantons representing several different transitions in a field theory toy model for string theory flux compactifications and described Primordial magnetic fields: evolution and observable signatures – Tina Kahniashvili Tue. March 16th, 2010 11:30 am-12:30 pm I will discuss the evolution of the primordial magnetic field accounting for MHD instabilities in the early Universe. I will The Demographics of Exoplanets – Scott Gaudi Thu. March 4th, 2010 4:15 pm-5:15 pm The physical processes that govern planet formation, migration, and evolution are imprinted on the orbital element and mass distributions of ArDM Experiment – Carmen Carmona Tue. March 2nd, 2010 11:30 am-12:30 pm The Argon Dark Matter (ArDM) project aims at operating a large noble liquid detector to search for direct evidence of From the Bottom Up: Self-Assembled One-Dimension Soft Materials – Jiyu Fang Mon. March 1st, 2010 4:15 pm-5:15 pm Molecular self-assembly mediated by noncovalent bonds is becoming increasingly popular as a “bottom up” approach in forming nano- and meso-scale A Theory Program to Exploit Weak Gravitational Lensing to Constrain Dark Energy – Andrew Zentner Fri. February 26th, 2010 11:30 am-12:30 pm Weak gravitational lensing is one of the most promising techniques to constrain the dark energy that drives the contemporary cosmic Dynamical Imaging using Spatial Nonlinearity – Jason W. Fleischer Thu. February 25th, 2010 4:15 pm-5:15 pm It is well known that one cannot image directly through a nonlinear medium, as intensity-dependent phase changes distort signals as Ultrafast physics in photosynthesis: Mapping sub-nanometer energy flow – Naomi Ginsberg Thu. February 25th, 2010 12:30 pm-1:30 pm In the first picoseconds of photosynthesis, photoexcitations of chlorophyll molecules are passed through a network of chlorophyll-binding proteins to a Shedding light on the nature of dark matter with gamma-rays – Jennifer Siegal-Gaskins Tue. February 23rd, 2010 11:30 am-12:30 pm Detection of gamma rays from the annihilation or decay of dark matter particles is a promising method for identifying dark Non-gaussianities and the Inflationary Initial State – Andrew Tolley Fri. February 19th, 2010 11:30 am-12:30 pm The potential discovery of primordial non-gaussianities would revolutionize our understanding of early universe cosmology, giving a whole new perspective on Single cell studies using microfluidic devices – Amy Rowat Thu. February 18th, 2010 12:30 pm-1:30 pm Cells that are genetically identical can exhibit differences in phenotype, however, such variation remains masked in bulk measurements. To capture Dark Matter via Many Copies of the Standard Model – Alex Vikman Tue. February 16th, 2010 11:30 am-12:30 pm Recently it was realized that the strong coupling scale in gravity substantially depends on the number of different quantum fields Structural relaxations beyond the colloidal glass transition – Veronique Trappe Mon. February 15th, 2010 4:15 pm-5:15 pm Colloidal dispersions consist of small particles that are immersed in a molecular fluid. The particles move by diffusion, driven by Hierarchy in the Phase Space and Dark Matter Astronomy – Niayesh Afshordi Fri. February 12th, 2010 11:30 am-12:30 pm Understanding small scale structure in the dark matter distribution is important in interpreting many astrophysical observations, as well as dark Imaging coherent electron transport in graphene – Jesse Berezovsky Thu. February 11th, 2010 12:30 pm-1:30 pm The coherent flow of electrons through a graphene device is an intriguing physical problem, which must be understood for future Photonics with Organic-Inorganic Nanostructures – Manfred Eich Mon. February 8th, 2010 4:15 pm-5:15 pm The presentation will outline the physics of photonic crystals and photonic nanowires employing silicon and organic materials. Dispersion properties and On a Few Challenges in Soft Condensed Matter Physics – Igor Sokolov Thu. February 4th, 2010 4:15 pm-5:15 pm Soft Condensed Matter (SCM) is a broad area of science, which includes studying liquids, colloids, gels, polymers, foams, biomaterials, etc. Shading Lambda – Claudia de Rahm Tue. February 2nd, 2010 11:30 am-12:30 pm The idea of degravitation is to tackle the cosmological constant problem by modifying gravity at large distances such that a Principles and Applications of Extrinsic (Doped) Organic Semiconductors – Calvin Chan Mon. February 1st, 2010 12:30 pm-1:30 pm Organic semiconductors have garnered much attention for many promising applications, including organic light-emitting diodes, photovoltaic cells, thin-film transistors, thin-film batteries Dark Matter Substructure in the Milky Way: Properties and Detection Prospects – Louie Strigari Tue. January 26th, 2010 11:30 am-12:30 pm Cosmological observations have converged on a standard model of Lambda-Cold Dark Matter (LCDM), in which the Universe is dominated by Gigahertz dynamics of a strongly driven single spin in diamond – G. D. Fuchs Mon. January 25th, 2010 12:30 pm-1:30 pm Nitrogen vacancy (NV) center spins in diamond have emerged as a promising solid-state system for quantum information and communication. Techniques Effects of osmotic stress on DNA packing and capsid stability in simple viruses – Rudi Podgornik Thu. January 21st, 2010 4:15 pm-5:15 pm I will address the problem of DNA packing in the bacteriophage capsid. I will show that it can be formulated On triviality of $\lambda\phi^{4}$ theory in $D=4$ – Dmitry Podolsky Tue. January 19th, 2010 11:30 am-12:30 pm e introduce a new non-perturbative method suitable for analyzing scalar quantum field theories at strong coupling based on mapping between The 2009 Nobel (Sciences) Prize-fest – Kathy Kash, William Merrick, Ken Singer, and Derek Taylor Thu. January 14th, 2010 4:15 pm-5:15 pm Come hear about the Nobel prizes in Chemistry, Medicine or Physiology, and Physics from local experts. ZnGeAs2: A Novel Semiconductor for Photovoltaics – Tim Peshek Mon. January 4th, 2010 12:30 pm-1:30 pm > I will motivate the fabrication of tandem thin film devices based solely on II-IV-V2 compounds as a target for Spin Fluctuations in Magnetic Quantum Dots – Andre Petukhov Mon. December 14th, 2009 12:30 pm-1:30 pm Pulsar Kicks With Active and Sterile Neutrinos – Leonard Kisslinger Fri. December 4th, 2009 11:30 am-12:30 pm In 2007 my coworkers and I completed the calculation of the velocity given to a neutron star in the period Dynamical Processes in Extrasolar Planetary Systems – Fred Adams Thu. December 3rd, 2009 4:15 pm-5:15 pm Over the past decade, observations have sparked a renaissance of planetary studies, with nearly 400 planets discovered in orbit about Quantum Simulation of Strongly Correlated Quantum Dots Out of Equilibrium – Jong Han Mon. November 30th, 2009 12:30 pm-1:30 pm The study of strong correlation physics out of equilibrium has become one of the most exciting fields in condensed matter Nongaussian Fluctuations from Particle Production During Inflation – Neil Barnaby Tue. November 24th, 2009 11:30 am-12:30 pm In a variety of inflation models, the motion of the inflaton may trigger the production of some iso-curvature particles during Probing electrons in a flatland: optical spectroscopy of graphene – Jie Shan Thu. November 19th, 2009 4:15 pm-5:15 pm Graphene, a single atomic layer of sp2-hybridized carbon atoms, has been the subject of intense scientific interest recently. Many of The Uncanny Physics of Superhero Comic Books – James Kakalios Thu. November 12th, 2009 4:15 pm-5:15 pm While it is not quite true that one can learn physics from superhero comic books, it is the motivation for Gravitational Waves, Laser Interferometers and Multimessenger Astrophysics – Laura Cadonati Tue. November 10th, 2009 11:30 am-12:30 pm The Laser Interferometer Gravitational-wave Observatory (LIGO) and its sister project Virgo are currently acquiring data, aiming at the first direct From Water Splitting to Hydrogen Storage: The Art of First-Principles Predictions in Materials Design – Shengbai Zhang Mon. November 9th, 2009 12:30 pm-1:30 pm Green and renewable energy is important to our environment, for sustainable energy supply, and offers new opportunities for economical growth. Neutrino Physics Beyond SNO – Mark Chen Thu. November 5th, 2009 4:15 pm-5:15 pm A follow-up experiment to the Sudbury Neutrino Observatory is being developed, called SNO+. With a liquid scintillator replacing the heavy Three thoughts about black holes and cosmology – Latham Boyle Tue. November 3rd, 2009 11:30 am-12:30 pm I will present three ideas about black holes and cosmology. First, I will discuss a way of understanding the simple Quantum Mechanics of Point Defects and Diffusion in α-Al2O3 – Arthur Heuer Mon. November 2nd, 2009 12:30 pm-1:30 pm Ab-initio DFT calculations have been made of native point defects – aluminum vacancies and interstitials and oxygen vacancies and interstitials Computer Simulations of Self-Assembly of Metallo-Supramolecular Networks – Elena Dormidontova Sat. October 31st, 2009 12:30 pm-1:30 pm Using Monte Carlo simulations we studied formation of reversible metallo-supramolecular networks based on 3:1 ligand-metal complexes between end-functionalized oligomers and Close Encounters with the Quantum Berry Phase – Hari Manoharan Thu. October 29th, 2009 4:15 pm-5:15 pm If we deform a material and restore it precisely back to its starting point, our everyday intuition tells us that Magnetic Properties of Rare Earth Doped GaN – John M. Zavada Mon. October 26th, 2009 12:30 pm-1:30 pm Rare earth (RE) doped GaN has been widely investigated for applications in displays and optical applications due to the strong Fermi Gamma-ray Space Telescope: The First Year – Peter Michelson Thu. October 22nd, 2009 4:15 pm-5:15 pm The Fermi Gamma-ray Space Telescope has completed its first year of observations. The two instruments on Fermi cover more than Using anisotropy to identify a dark matter signal in diffuse gamma-ray emission with Fermi – Jennifer Siegal-Gaskins Tue. October 20th, 2009 11:30 am-12:30 pm Dark matter annihilation in Galactic substructure will produce diffuse gamma-ray emission of remarkably constant intensity across the sky, making it Nanoscale memristive devices for memory and logic applications – Wei Lu Mon. October 19th, 2009 12:30 pm-1:30 pm Memristor (a word created from “memory” and “resistor” ) has been claimed as the ” missing circuit element”and research on Measuring small scale CMB temperature and polarization anisotropies with the Atacama Cosmology Telescope – Mike Niemack Fri. October 16th, 2009 11:30 am-12:30 pm The Atacama Cosmology Telescope (ACT) is a six-meter telescope on the Atacama plateau, Chile that was built to characterize the Weighing the Universe – Neta Bahcall Thu. October 15th, 2009 4:15 pm-5:15 pm How do we weigh the Universe? Where is the Dark Matter? I will discuss these questions and show that several A birds-eye view of nonlinear optics: using scale invariance to optimize the molecular response – Mark Kuzyk Wed. October 14th, 2009 12:30 pm-1:30 pm Nonlinear optical materials show great promise in a broad range of applications from cancer therapies and medical imaging to increasing New Perspectives on Indirect, Astrophysical Dark Matter Limits – Andrew Zentner Fri. October 9th, 2009 11:30 am-12:30 pm High-Energy neutrinos from the annihilations of dark matter captured within the Sun is thought to be a relatively clean, indirect How RNA helicases unwind – Eckhard Jankowsky Thu. October 8th, 2009 4:15 pm-5:15 pm Virtually all aspects of RNA metabolism involve RNA helicases, enzymes that remodel RNA and RNA-protein complexes in an ATP-dependent fashion. Thermal Transport and Thermoelectric Energy Conversion in Nanomaterials – Li Shi Mon. October 5th, 2009 12:30 pm-1:30 pm The high charge carrier mobility and thermal conductivity of carbon nanotubes and graphene have attracted interest in their applications for Combining computation and experiment to accelerate the discovery of new hydrogen storage materials – Donald J. Siegel Thu. October 1st, 2009 4:15 pm-5:15 pm The potential of emerging technologies such as fuel cells (FCs) and photovoltaics for environmentally-benign power generation and conversion has sparked Band structure information from soft x-ray spectroscopy – Andrew Preston Mon. September 28th, 2009 12:30 pm-1:30 pm The optical and electric properties of a material are entirely dependent on the ordering of its electrons. In crystalline materials A van der Waals DFT Approach to Modeling Water – Timo Thonhauser Thu. September 24th, 2009 4:15 pm-5:15 pm In this colloquium I will discuss my recent work in electronic-structure theory, which allows us to more accurately study water CMB Polarization Power Spectra from Two Years of BICEP Data – Cynthia Chiang Tue. September 22nd, 2009 11:30 am-12:30 pm BICEP is a bolometric polarimeter designed to measure the inflationary B-mode polarization of the cosmic microwave background at degree angular Formation and properties of Cu_2S-CdS and Ag_2S-CdS Nanorod Heterostructures – Denis Demchenko Mon. September 21st, 2009 12:30 pm-1:30 pm A partial cation exchange has been used to synthesize Cu_2S-CdS and Ag_2S-CdS nanocrystal heterostructures, with two very different morphologies. Cu^+ Dots for Dummies – Ramamurti Shankar Thu. September 17th, 2009 4:15 pm-5:15 pm I will provide an introduction to quantum dots, a problem where disorder, interactions and finite size combine to make a Recent Advances in Organic (Opto)electronic Materials – Oksana Ostroverkhova Wed. September 16th, 2009 12:30 pm-1:30 pm There is growing interest in using organic (opto)electronic materials for applications in electronics and photonics. In particular, organic semiconductor thin When Coal was an Alternative Energy: Engineering, Efficiency, and American Foreign Relations in the Age of Steam – Peter Shulman Thu. September 10th, 2009 4:15 pm-5:15 pm This talk examines how American foreign relations and national security between 1840 and 1920 were shaped by developments in geology, How the CMB challenges cosmology’s standard model – Glenn Starkman Thu. September 3rd, 2009 4:15 pm-5:15 pm The Cosmic Microwave Background Radiation is our most important source of information about the early universe. Many of its features LUX, LZ, and the Limits of our Ability to Directly Detect Dark Matter – Tom Shutt Thu. August 27th, 2009 4:15 pm-5:15 pm Overwhelming cosmological and astrophysical evidence suggests that the dominant mass in the universe is in the form of as-yet-unidentified dark Ballistic Quasiparticles in Superfluid 3He: A Non-Newtonian Gas – George Pickett Mon. May 18th, 2009 12:30 pm-1:30 pm We can cool superfluid 3He to below 100 microkelvin where the number of unpaired 3He atoms is only of the Cryogenic Dark Matter Search . Current Results and Future Background Discrimination – Cathy Bailey Tue. May 5th, 2009 11:30 am-12:30 pm The Cryogenic Dark Matter Search (CDMS) is searching for Weakly Interacting Massive Particles (WIMPs) with cryogenic germanium particle detectors. These Chirality and Kondo Physics in Graphene – Herb Fertig Mon. April 27th, 2009 12:30 pm-1:30 pm Graphene, a two-dimensional network of carbon atoms, exhibits unique electronic properties because it supports low energy, massless, Dirac-like quasiparticles. The String shots from a spinning black hole – Ted Jacobson Fri. April 24th, 2009 11:30 am-12:30 pm The dynamics of relativistic current carrying string loops moving axisymmetrically on the background of a Kerr black hole are characterized. Making sense of non-Hermitian Hamiltonians – Carl Bender Thu. April 23rd, 2009 4:15 pm-5:15 pm The average quantum physicist on the street believes that a quantum-mechanical Hamiltonian must be Dirac Hermitian (symmetric under combined matrix Landau Level Spectroscopy of Graphene – Zhigang Jiang Mon. April 20th, 2009 12:30 pm-1:30 pm Graphene, a single atomic sheet of graphite, is a monolayer of carbon atoms arranged in a hexagonal lattice. The unique Simulation, signatures and backgrounds at the LHC – Johan Alwall Thu. April 16th, 2009 12:30 pm-1:30 pm In the final lecture I will go into details of how to distinguish New Physics at the LHC. I introduce New Physics at the LHC – Johan Alwall Wed. April 15th, 2009 12:30 pm-1:30 pm In this second lecture, I further discuss the problems with the Standard Model and why there should be new physics Fundamentals of the LHC – Johan Alwall Tue. April 14th, 2009 11:30 am-12:30 pm In this introductory lecture I will present why we have built the LHC, and discuss the underlying physics of a Fundamentals of the LHC – Johan Alwall Tue. April 14th, 2009 12:30 pm-1:30 pm In this introductory lecture I will present why we have built the LHC, and discuss the underlying physics of a Hunting for New Physics at the Large Hadron Collider – Johan Alwall Mon. April 13th, 2009 4:15 pm-5:15 pm I discuss different types of New Physics scenarios, their motivation and how to see them at the LHC. I give First-principles theory of coloration on WO3 upon charge insertion – Peihong Zhang Mon. April 13th, 2009 12:30 pm-1:30 pm Electrochromic matrials exchibit reversible and persistent change of the optical properties, hence the color, upon applying an electrical pulse that Hunting for New Physics at the LHC – Johan Alwall Mon. April 13th, 2009 4:15 pm-5:15 pm At this colloquium I discuss different types of New Physics scenarios, their motivation and how to see them at the Higher Temperature Superconductors — Why, Where and How? – Malcolm Beasley Thu. April 9th, 2009 4:15 pm-5:15 pm There is a growing realization that the present high temperature superconductors will not lead to electric power applications of superconductivity Screening Plasmonic Materials using Nanopyramidal Arrays – Teri Odom Mon. April 6th, 2009 12:30 pm-1:30 pm Surface plasmon polaritons (SPPs) are responsible for optical phenomena including negative refraction, surface enhanced Raman scattering, and nanoscale focusing of Optical Nanotomography of Anisotropic Fluids – C. Rosenblatt Thu. April 2nd, 2009 4:15 pm-5:15 pm The physical properties of anisotropic fluids can be manipulated on very short length scales of 100 nm or less by The curvaton inflationary model, non-Gaussianity and isocurvature – Maria Beltran Tue. March 31st, 2009 11:30 am-12:30 pm The inflationary paradigm has become one of the most compelling candidates to explain the observed cosmological phenomena. However, the data Fast Protonic Conductivity in Crystalline Materials: Highly Sulfonated Aromatics – Yuriy Tolmachev Tue. March 31st, 2009 12:30 pm-1:30 pm Polymer Electrolyte Fuel Cells are expected to replace internal combustion engines as power sources in transportation during our lifetime. The Large-Scale Structure in Modified Gravity – Roman Scoccimarro Fri. March 27th, 2009 11:30 am-12:30 pm Cosmic acceleration may be due to modifications of general relativity (GR) at large scales, rather than dark energy. We use Dark Stars – Katie Freese Tue. March 17th, 2009 11:30 am-12:30 pm We have proposed that the first phase of stellar evolution in the history of the Universe may be Dark Stars Cosmology on small scales: the structure of (mostly) dark matter halos [joint colloquium with Astronomy] – Carlos Frenk Thu. March 12th, 2009 4:15 pm-5:15 pm The standard model of cosmology — the “Lambda cold dark matter” model — is based on the idea that the Dynamics in the Dark – Andrew Tolley Thu. March 5th, 2009 4:15 pm-5:15 pm If Dark Energy is dynamical, it would indicate the existence of new physics beyond the standard model coupled to gravity. Cascading Gravity and Degravitation – Claudia de Rham Tue. March 3rd, 2009 11:30 am-12:30 pm Cascading gravity is an explicit realization of the idea of degravitation, where gravity behaves as a high-pass filter. This could Bent-core nematic liquid crystals: Opportunities and mysteries – Jim Gleeson Thu. February 26th, 2009 4:15 pm-5:15 pm In this talk, we review recent progress with a new class of liquid crystalline materials. These materials, which are based Testing global isotropy and some interesting cosmological models with CMB – Amir Hajian Tue. February 24th, 2009 11:30 am-12:30 pm Simplest models of the Universe predict global (statistical) isotropy on large scales in the observable Universe. However there are a Dipole in a Magnetic Field, Work, and Quantum Spin – Robert Deissler Mon. February 23rd, 2009 12:30 pm-1:30 pm Place an atom in a nonuniform static external magnetic field and, because of the interaction between the atom’s magnetic moment Hilltop Quintessence – Sourish Dutta Tue. February 17th, 2009 11:30 am-12:30 pm We examine hilltop quintessence models, in which the scalar field is rolling near a local maximum in the potential, and Synthesis of Novel Fuel Cell Membranes with Aligned Proton Conducting Pathways – Matt Yates Mon. February 16th, 2009 12:30 pm-1:30 pm Novel approaches have been developed to engineer the microstructure of proton conducting membranes to enhance proton transport. Polymer composite and Atomic-Scale Spectroscopy of Single-Molecule Junctions – Georgy Nazin Thu. February 12th, 2009 4:15 pm-5:15 pm Molecular junctions have attracted a great deal of attention recently due to their importance in the new field of Molecular Structure and dynamics of non-equilibrium colloidal suspensions – Jacinta Conrad Mon. February 9th, 2009 4:15 pm-5:15 pm Colloidal suspensions are ubiquitous in industrial and technological applications; moreover, the precise control over the interparticle interactions allows such suspensions Molecular materials for dynamic holography and lasing applications – Jarek Mysliewiec Wed. February 4th, 2009 12:30 pm-1:30 pm The subject of the presentation will be focused on molecular materials like liquid crystals, photochromic polymers or modified DNA-dye systems Can the WMAP Haze really be a signature of annihilating neutralino dark matter? – Daniel Cumberbatch Tue. February 3rd, 2009 11:30 am-12:30 pm Observations by the Wilkinson Microwave Anisotropy Probe (WMAP) satellite have identified an excess of microwave emission from the centre of Surfaces and Interfaces in Nanoscale Electronic Materials: from Understanding to Engineering – Pengpeng Zhang Mon. February 2nd, 2009 4:15 pm-5:15 pm Surfaces and interfaces play a critical role in determining properties and functions of nanomaterials, in many cases simply dominating bulk The 2008 Science Nobel Prizes – what were they given for? – Tanmay Vachaspati, Jonathan Karn, Piet de Boer Thu. January 29th, 2009 4:15 pm-5:15 pm In this mini-symposium, Tanmay Vachaspati from Physics, and Jonathan Karn and Piet de Boer, from Molecular Biology and Microbiology, will Multi-brane Inflation in String Theory – Amjad Ashoorioon Tue. January 27th, 2009 11:30 am-12:30 pm I will talk about two inflationary scenarios in which the cooperative behavior of multiple branes give rise to inflation. In High temperature superfluidity in high energy heavy ion collisions at RHIC and forward physics with TOTEM at LHC – Tamas Csorgo Tue. January 13th, 2009 11:30 am-12:30 pm Five important milestones have been achieved in high energy heavy ion collisions utilitizing the Relativistic Heavy Ion Collider at BNL: How Do Physics and Nanotechnology Advance the Research on Renewable Energy? – Zhifeng Ren Tue. January 13th, 2009 4:15 pm-5:15 pm Physics played an extremely important role in the electronics technology. Now nanotechnology is playing a leading role in the future Electronics Based on Crystalline Organic Semiconductors – Art Ramirez Thu. January 8th, 2009 4:15 pm-5:15 pm Organic semiconductors are widely discussed for applications requiring large area and low processing cost. Thin film organics are already used Seeing and Moving Magnetic Nanoparticles – Sara Majetich Tue. January 6th, 2009 3:30 pm-4:30 pm Monodomain magnetic nanoparticles act in many ways like giant spins. They differ from bulk magnets because they can move, and Magnetism in Reduced Dimensions: Exchange Bias (2D) and Myoglobin-based Single-Electron Transistors (0D) – D. Lederman Thu. December 18th, 2008 4:15 pm-5:15 pm In this talk I will outline two major efforts in my lab relating to magnetism: exchange bias, a subject that Physics of Self-Assembly of Nanoporous Particles: What Defines Their Shape – Igor Sokolov Mon. December 8th, 2008 4:15 pm-5:15 pm Growth of even simple crystals is a rather hard problem to describe because of the non-equilibrium, kinetic nature of the process. Shining (some) light on dark matter – Daniel Boyanovsky Thu. December 4th, 2008 4:15 pm-5:15 pm Most of the matter in the Universe is dark, and is supposed to be SOME particle that interacts very weakly Bent-core nematic liquid crystals: Opportunities and mysteries – Jim Gleeson Mon. December 1st, 2008 12:30 pm-1:30 pm Anthropy and entropy – Irit Maor Tue. November 25th, 2008 11:30 am-12:30 pm TBA Phonon expansion and dispersion: Condensed matter channels: Material diagnosis – Dov Hazony Mon. November 24th, 2008 12:30 pm-1:30 pm Propagating basic acoustic pulses may behave as phonons. They can be characterized and utilized to evaluate channels through which they First Principles Methods for the Design of Materials [joint with Chemistry] – Gerbrand Ceder Thu. November 20th, 2008 4:30 pm-5:30 pm First principles methods can now be used to predict many properties of materials. Even crystal structure and surface chemistry, long On the Challenge to Unveil the Microscopic Nature of Dark Matter – Scott Watson Tue. November 18th, 2008 11:30 am-12:30 pm Despite the successes of modern precision cosmology to measure the macroscopic properties of dark matter, its microscopic nature still remains Terahertz Time-Domain Measurement of Ballistic Electron Resonance in a Single-walled Carbon Nanotube – Zhaohui Zhong Mon. November 17th, 2008 12:30 pm-1:30 pm The terahertz (~ 100 GHz to 10 THz) electrical properties of nanomaterials are of relevance both to the fundamental science The Glass Transition and its Relevance for Biological Systems – Alexei Sokolov Thu. November 13th, 2008 4:15 pm-5:15 pm For thousands of years people have been using glass transition processes and glasses in their everyday life. For hundreds of Room temperature ferromagnetism in semiconducting oxides – Chandran Sudakar Mon. November 10th, 2008 12:30 pm-1:30 pm Diluted magnetic semiconductors are formed when magnetic transition metal ions are doped in small concentrations into a semiconductor host lattice. Genesis: The Scientific Quest for Life’s Origins – Robert Hazen Thu. November 6th, 2008 4:30 pm-5:30 pm Professor Robert Hazen is a respected and widely published geochemist who studies chemical evolution and the origin of life and Spin injection, transport, and control in Silicon – Ian Appelbaum Mon. November 3rd, 2008 12:30 pm-1:30 pm The intrinsic angular momentum of an electron (spin) – and its associated magnetic moment – can encode information: spin “up” Physics and Baseball: An Intersection of Passions – Alan M. Nathan Thu. October 30th, 2008 4:15 pm-5:15 pm I have been a physicist for all my professional life. I have been a baseball fan even longer. And in Coupling nanomechanical motion to electromagnetic fields through the Casimir effect and surface evanescent waves – HoBun Chan Fri. October 24th, 2008 12:30 pm-1:30 pm The miniaturization of mechanical devices opens new opportunities for investigating and exploiting novel phenomena that occur for components in close South Pole Telescope: From conception to first discovery – Zak Staniszewski Tue. October 21st, 2008 11:30 am-12:30 pm The South Pole Telescope recently discovered three new galaxy clusters in their CMB maps via the Sunyaev Zel’dovich (SZ) effect Charge Transport Phenomena in MilliKelvin Germanium and Detectors of the Cryogenic Dark Matter Search – Kyle Sundqvist Mon. October 20th, 2008 12:30 pm-1:30 pm The Cryogenic Dark Matter Search (CDMS) seeks to detect putative weakly-interacting massive particles (WIMPS), which could explain the dark matter Primordial Nongaussianity and Large-Scale Structure – Dragan Huterer Fri. October 17th, 2008 11:30 am-12:30 pm The near-absence of primordial nongaussianity is one of the basic predictions of slow roll, single-field inflation, making measurements of nongaussianity Complex Interstellar Molecules [joint colloquium with Astronomy] – Eric Herbst Thu. October 16th, 2008 4:15 pm-5:15 pm In the last thirty years, astronomers have detected a large number of molecules in the gas and solid phases of In Search of the Coolest White Dwarfs – Evalyn I.Gates Tue. October 14th, 2008 11:30 am-12:30 pm Cool white dwarf stars are among the oldest objects in the Galaxy. These relics of an ancient stellar population offer Human Detectors: A Scientific Approach to Increasing the Number of Women in Science – Evalyn Gates Mon. October 13th, 2008 4:15 pm-5:15 pm What do the search for the mysterious dark matter that pervades the Universe, and the search to understand the underrepresentation High Resolution Spectroscopy of the Quantum Hall Liquid – Oliver Dial Mon. October 13th, 2008 12:30 pm-1:30 pm The single particle spectrum of an electronic system is a measure of the ease of inserting a single, whole electron Designing Self-Propelled Polymeric Capsules and Gels – Anna Balazs Thu. October 9th, 2008 4:15 pm-5:15 pm Using simulation and theory, we demonstrate how nanoparticles can be harnessed to regulate the interaction between two initially stationary microcapsules The White Elephant: Upsilon Physics at the BaBar B-factory – Steve Sekula Tue. October 7th, 2008 11:30 am-12:30 pm For a decade, the PEP-II/BaBar B-factory has been a flagship experiment in precision measurements in the flavor sector, notably in Pedigrees and Partition Functions – Joseph Abraham Mon. October 6th, 2008 12:30 pm-1:30 pm I will review some key concepts and computations in statistical genetics and discuss some analogies with the calculations on disordered Survival of Cooper pairs in the insulating phase: “super-insulators” – Sambandamurthy Ganapathy Thu. October 2nd, 2008 4:15 pm-5:15 pm I will present experimental results from our study of 2D thin films that are driven through the superconductor-insulator quantum phase Darwin Celebration Lecture – Judge John E. Jones III Thu. September 25th, 2008 5:00 pm-6:00 pm Electrical, Mechanical, and Electromechanical Studies of Carbon Nanotubes and Graphene – James Hone Wed. September 24th, 2008 12:30 pm-1:30 pm This talk will report on studies of the properties of carbon nanotubes of known chiral index, as determined by Rayleigh CWRU Theory Passes Fermilab Test 30 Years Later – Robert W. Brown Thu. September 18th, 2008 4:15 pm-5:15 pm The standard model had become everyone’s favorite as the fundamental theory of the world by the mid-1970’s. So, even before Parameterizing dark energy – Zhiqi Huang Tue. September 16th, 2008 11:30 am-12:30 pm Dark energy is parameterized by the time evolution of its equation of state $w(z)$. For a very wide class of Heterostructured quantum dots: growth and characterization – Kurt Eyink Mon. September 15th, 2008 12:30 pm-1:30 pm Quantum dots (QDs) have been receiving considerable attention lately due to the unique properties, which arise due to the confinement Critical Dipoles and Singular Potentials – David Griffiths Thu. September 11th, 2008 4:15 pm-5:15 pm The Schrodinger equation for a point charge in the field of a stationary electric dipole admits bound states when the Collective molecular motor using chiral liquid crystalline thin films – Hiroshi Yokoyama Mon. September 8th, 2008 12:30 pm-1:30 pm The effect of dark matter halos on reionization and the H21 cm line – Aravind Natarajan Fri. September 5th, 2008 11:30 am-12:30 pm If much of the dark matter in the Universe consists of WIMPs, their annihilation releases energy, some of which ionizes The Search for Special Nuclear Material Using Particle Physics Techniques – David Koltick Thu. September 4th, 2008 4:15 pm-5:15 pm One of the most devastating attacks a terrorist group could mount would be to detonate an atomic bomb in a [Entrepreneuship colloquium] The Possibilities Toolbox: Surprising Revelations – Kimberly Wiefling Tue. August 26th, 2008 4:15 pm-5:15 pm In “The User Illusion” Tor Norretranders notes that there is a significant gulf between perception and reality. Consciousness has a Astrophysical probes of dark matter – Roberto Trotta Fri. May 9th, 2008 12:30 pm-1:30 pm The nature and properties of dark matter are one of the outstanding questions in cosmology. A well-motivated cold dark matter Precision cosmology for the 21st century – Roberto Trotta Thu. May 8th, 2008 4:15 pm-5:15 pm The detailed study of cosmic microwave background anisotropies has contributed to transform cosmology into a quantitative, data driven field. Techniques Precision cosmology for the 21st century – Roberto Trotta Wed. May 7th, 2008 4:15 pm-5:15 pm The detailed study of cosmic microwave background anisotropies has contributed to transform cosmology into a quantitative, data driven field. Techniques such Probing dark energy with cosmology – Roberto Trotta Tue. May 6th, 2008 11:30 am-12:30 pm In order to pin down the fundamental nature of dark energy, and thus to understand what most of the Universe Probing dark energy with cosmology – Roberto Trotta Tue. May 6th, 2008 12:30 pm-1:30 pm In order to pin down the fundamental nature of dark energy, and thus to understand what most of the Universe Bayes in the sky – Advanced statistical tools for cosmology – Roberto Trotta Mon. May 5th, 2008 12:30 pm-1:30 pm Increasingly refined cosmological observations, ranging from temperature anisotropies in the cosmic microwave background to the distribution of galaxies in the Astronomy with Radioactivities [joint colloquium with Astronomy] – Dieter Hartmann Thu. April 24th, 2008 4:15 pm-5:15 pm The production and distribution of new isotopes is a key topic of the astrophysical theme of chemical evolution. We distinguish Near-field optical scanning spectroscopy of photonic nanostructures – Alexander Mintairov Mon. April 21st, 2008 12:30 pm-1:30 pm I will describe the experiments of using high spatial resolution near-field temperature-dependent magneto-photoluminescence to study optical and structural properties of A Neutron Electric Dipole Moment? – Brad Filippone Thu. April 17th, 2008 4:15 pm-5:15 pm For more than fifty years physicists have searched for a neutron Electric Dipole Moment (EDM) beginning with a search for Ab-initio Assisted Process and Device Simulation for Nanoelectronic Devices – Wolfgang Windl Mon. April 14th, 2008 12:30 pm-1:30 pm The continuing miniaturization of traditional semiconductor devices deep into the nano-realm and novel concepts such as molecular devices require an Wrinkling, Folding and Crumpling of Thin Sheets – Narayanan Menon Thu. April 10th, 2008 4:15 pm-5:15 pm Under the action of external forces, thin sheets tend to bend out of plane rather than stretch. For weak forcing, Astrophysics and Particle Physics with IceCube – Tyce DeYoung Tue. April 8th, 2008 11:30 am-12:30 pm The IceCube neutrino observatory under construction at the South Pole is designed to detect high energy (TeV-PeV) neutrino emission from Some examples of theory and computation of properties of transition metal nitrides – Sanjay Khare Mon. April 7th, 2008 12:30 pm-1:30 pm A convergence of many factors has caused the emergence of growing synergy between theoretical and experimental research in condensed matter Rydberg Electron Wave Packets: Observing and Manipulating Electrons within an Atom – Carlos Stroud Thu. April 3rd, 2008 4:15 pm-5:15 pm We will review a series of calculations and experiments that my research group has carried out over the past few Laboratory studies of atmospheric aerosol nucleation – Shan-Hu Lee Mon. March 31st, 2008 12:30 pm-1:30 pm Flow diagram and Quantum critical behavior of the two-dimensional metal-insulator transition (2DMIT) – Alex Punnoose Mon. March 24th, 2008 12:30 pm-1:30 pm Early speculation that an electron gas in two dimensions is always an insulator was upset when experiments in relatively high The Quantum Mechanics of Global Warming – Brad Marston Thu. March 20th, 2008 4:15 pm-5:15 pm Quantum mechanics plays a crucial, albeit often overlooked, role in our understanding of the Earth’s climate. In this talk three UHECR Phenomenology – Glennys Farrar Tue. March 18th, 2008 11:30 am-12:30 pm I will review some very general properties that must characterize any relativistic UHECR accelerator, and I will list some key Thermodynamics of carrier-mediated magnetism in semiconductors – A. G. Petukhov Thu. March 6th, 2008 4:15 pm-5:15 pm We propose a model of carrier-mediated ferromagnetism in semiconductors that accounts for the temperature dependence of the carriers. The model Out of Darkness: The Quest for Lambda – Nemanja Kaloper Fri. February 29th, 2008 4:15 pm-5:15 pm Recent astronomical observations are forcing us to face the cosmological constant problem, which is perhaps the greatest challenge of modern Challenging the Cosmological Constant – Nemanja Kaloper Thu. February 28th, 2008 11:30 am-12:30 pm We outline a dynamical dark energy scenario whose signatures may be simultaneously tested by astronomical observations and laboratory experiments. The Quasicrystals in Medieval Islamic Architecture – Peter J. Lu Thu. February 28th, 2008 4:15 pm-5:15 pm The conventional view holds that girih (geometric star-and-polygon) patterns in medieval Islamic architecture were conceived by their designers as a Universal Gelation of Particles with Short-ranged Attraction – Peter J. Lu Thu. February 28th, 2008 12:30 pm-1:30 pm Nanoscale or colloidal particles are exceptionally important in many realms of science and technology. They can dramatically change the properties Observing Dark Energy with the Next Generation of Galaxy Surveys – Ofer Lahav Tue. February 26th, 2008 11:30 am-12:30 pm The talk will discuss the design and forecasting for measuring properties of Dark Energy and Dark Matter from new deep Metallic and Magnetic Nanostructured Thin Films Mon. February 25th, 2008 12:30 pm-1:30 pm The correlation between structure and magnetism in magnetic materials continues to offer exciting opportunities at the nano-scale. For example the When Obsessions Collide: Golf and Physics – Robert Grober Thu. February 21st, 2008 4:15 pm-5:15 pm The revolution in low power microelectronics has enabled the development of electronically enabled golf clubs, radically changing the relationship between k-Essence: superluminal propagation, causality and emergent geometry – Alexander Vikman Tue. February 19th, 2008 11:30 am-12:30 pm K-essence models – scalar field theories with non-quadratic kinetic terms – are considered candidates for dynamical dark energy and inflation. Macrophase ordering in ionomers under external potential – Elshad Allahyarov Mon. February 18th, 2008 12:30 pm-1:30 pm Coarse-grained molecular-dynamics simulations were used to study the morphological changes induced in a Nafion-like ionomer by the imposition of a Beyond Concordance Cosmology – C. Contaldi Thu. February 14th, 2008 4:15 pm-5:15 pm Cosmology has well and truly entered its ‘precision era’. The wealth of observations has led to ever tightening constraints on Physics Beyond the Horizon – Niayesh Afshordi Tue. February 12th, 2008 4:30 pm-5:30 pm The history of human knowledge is often highlighted by our efforts to explore beyond our apparent horizon. In this talk, Ubiquity of Entanglement – Stanislaw Szarek Mon. February 11th, 2008 12:30 pm-1:30 pm Entanglement is thought to be the critical resource in quantum computing and quantum communication. We explain how this physical concept Metallic Behavior and the Metal-Insulator Transition in Strongly Correlated 2D Holes – Xuan Gao Thu. February 7th, 2008 4:15 pm-5:15 pm The celebrated scaling theory of localization asserted that all two- dimensional (2D) Fermionic systems are insulators. However, experiments in the Demystifying the Large-Scale Structure and Evolution of the Cosmos – Constantinos Skordis Tue. February 5th, 2008 11:30 am-12:30 pm In the last two decades, cosmology has undergone a revolution, with a large influx of high quality data. There is Bilayer Quantum Hall Effect – Bahman Roostaei Mon. February 4th, 2008 12:30 pm-1:30 pm In a closely spaced double quantum well (DQW), electrons are thought to form an interlayer coherent state when a perpendicular Generalized Nematics: Hints for the GUTS / Electroweak Transition? – Rolfe Petschek Thu. January 31st, 2008 4:15 pm-5:15 pm Nematics are materials that have only orientation order, usually described by a non-zero, uniaxial average for a traceless symmetric second Nanotubes beyond carbon: theory of gallium nitride and boron nanotubes – Sohrab Ismail-Beigi Mon. January 28th, 2008 12:30 pm-1:30 pm Although atomically-thin nanotubes of other elements are now fabricated, carbon nanotubes are probably the best known examples of nano-materials. They Information Engines and the Second Law – Benjamin Schumacher Thu. January 24th, 2008 4:15 pm-5:15 pm Maxwell’s demon, which extracts work from a thermodynamic system by acquiring information about it, has for more than a century Cosmological Unification of String Theories – Simeon Hellerman Fri. January 18th, 2008 1:00 pm-2:00 pm Recent developments have greatly extended our understanding of quantum gravity in cosmological environments. A new set of exact time-dependent solutions Magnetic exchange interactions – Walter Lambrecht Thu. January 17th, 2008 4:15 pm-5:15 pm In this talk I will discuss the origins of magnetic exchange interactions in the underlying electronic structure from a first-principles The Accelerating Universe: Landscape or Modified Gravity? – Sergei Dubovsky Tue. January 15th, 2008 4:30 pm-5:30 pm The most remarkable recent discovery in fundamental physics is that the Universe is undergoing accelerated expansion. To achieve a proper Computing the Cosmos: Illuminating the Dark Side with Clusters of Galaxies [joint colloquium with Astronomy] – Gus Evrard Thu. December 13th, 2007 4:15 pm-5:15 pm Clusters of galaxies emerge at dense peaks in the vast cosmic web of large-scale structure that threads the universe. The Late Time Behavior of False Vacuum Decay – James Dent Fri. December 7th, 2007 12:30 pm-1:30 pm The late time behavior of decaying states is examined with regards to its deviation from the usual exponential form of From Jackson Homework to Quality Electrodynamics – Hiroyuki Fujita Thu. December 6th, 2007 4:15 pm-5:15 pm Recent advances of magnetic resonance imaging (MRI) scanner design involve an ever-increasing number of receiver channels (32-128), which is required What do WMAP and SDSS really tell about inflation? – Wessel Valkenburg Tue. December 4th, 2007 11:30 am-12:30 pm We present new constraints on the Hubble function H(phi) and subsequently on the inflationary scalar potential V(phi) from WMAP 3-year Near-field optical scanning spectroscopy of photonic nanostructures – Alexander Mintairov Mon. December 3rd, 2007 12:30 pm-1:30 pm I will describe the experiments of using high spatial resolution near-field temperature-dependent magneto-photoluminescence to study optical and structural properties of Breaking News from the Auger Observatory – Corbin Covault Thu. November 29th, 2007 4:15 pm-5:15 pm The world’s largest cosmic ray observatory has recently reported a new result that represents a major step forward in our Bekenstein-Sanders theory of modified gravity – Constantinos Skordis Tue. November 27th, 2007 11:30 am-12:30 pm TBA Gravitational Radiation from Supermassive Black Hole Binaries – Andrew Jaffe Tue. November 20th, 2007 11:30 am-12:30 pm Evidence for Supermassive Black Holes at the centers of galaxy bulges, combined with the paradigm of hierarchical structure formation, implies Scanning Inflation – Pascal Vaudrevange Tue. November 20th, 2007 11:30 am-12:30 pm The shapes of the primordial power spectra are the key quantities to unravel the physics of the inflationary epoch. We Phonons in ZnGeN2 and related materials: experiment and theory – Tim Peshek and Tula Paudel Mon. November 19th, 2007 12:30 pm-1:30 pm This seminar will consist of three practice talks for the MRS Fall meeting. Tim will first talk about an experimental The Cosmic Microwave Background: Cosmology, Topology and Probability – Andrew Jaffe Thu. November 15th, 2007 4:15 pm-5:15 pm The cosmic microwave background (CMB) gives us a glimpse of the Universe as it was only a few hundred thousand Thermo-acoustic waves near the liquid-vapor critical point : the sound of heat – Pierre Carlès Wed. November 14th, 2007 12:30 pm-1:30 pm A fluid near its liquid-vapor critical point exhibits puzzling heat transfer dynamics, as temperature relaxation becomes faster and faster near Sterile neutrinos as subdominant warm dark matter – Dan Cumberbatch Tue. November 13th, 2007 11:30 am-12:30 pm In light of recent findings which seem to disfavor a scenario with (warm) dark matter entirely constituted of sterile neutrinos Identifying defect structures by first principles XANES – Sukit Limpijumnong Mon. November 12th, 2007 12:30 pm-1:30 pm First principles calculations allow one to model materials from fundamental quantum mechanics without bias. Because the calculations contain detailed atomic Thu. November 8th, 2007 4:15 pm-5:15 pm For a price, it is possible to acquire unearned academic degrees from non-existent universities that market diplomas over the internet. Synthesis and Characterization of GaGdN – Cammy Abernathy Mon. November 5th, 2007 12:30 pm-1:30 pm The past decade has seen a rise in interest in the area of dilute magnetic semiconductors (DMSs). In part, this Chromonic Liquid Crystals – Oleg Lavrentovich Thu. November 1st, 2007 4:15 pm-5:15 pm Lyotropic chromonic liquid crystals (LCLCs) are formed by molecules with rigid polyaromatic cores and ionic groups at the periphery that Baryogenesis, Electric Dipole Moments, and the Higgs Boson – Michael Ramsey-Musolf Tue. October 30th, 2007 11:30 am-12:30 pm Explaining the predominance of visible matter over antimatter remains one of the outstanding puzzles at the interface of cosmology with Controlling light on the nanoscale: imaging and spectroscopy with ultrahigh spatial and temporal resolution – Markus Raschke Mon. October 29th, 2007 12:30 pm-1:30 pm Gravitational Breakthrough or Experimental Error? – Martin Tajmar Wed. October 24th, 2007 11:30 am-12:30 pm Accelerometer measurments indicate that a circular field is induced when the rotation rate of a Niobium superconducting ring changes. If Fundamentals of Supernova Cosmology [joint with Astronomy] – Robert P. Kirshner Thu. October 18th, 2007 4:15 pm-5:15 pm The use of thermonuclear supernova explosions as standard candles led to the discovery of cosmic acceleration and the search for Extragalatic Cosmic Rays: a Prescription to Avoid Disaster – Corbin Covault Tue. October 16th, 2007 11:30 am-12:30 pm The origin of the highest energy cosmic rays has remained a persistent mystery for decades. Now we seem to be Polyelectrolytes: A Field-Theoretic Perspective – Yuri Popov Mon. October 15th, 2007 12:30 pm-1:30 pm Field-theoretic methods are not new to polymer physics. Their basic idea is to replace the particle-based description of the polymer Stabilizing Atmospheric CO_2 [joint colloquium with Chemistry] – Gregory H. Rau Thu. October 11th, 2007 4:30 pm-5:30 pm “Spinning” and “twisting” a light beam and other wavefront-shaping tricks performed with suitably patterned liquid crystals – Lorenzo Marrucci Thu. October 11th, 2007 12:30 pm-1:30 pm The so-called “helical modes” of an electromagnetic wave are characterized by a helical shape of the wavefront. They carry quantized Disorder, Interactions, and Crossovers in Quantum Dots – Ganpathy Murthy Mon. October 8th, 2007 12:30 pm-1:30 pm In ballistic/chaotic quantum dots the single-particle states are controlled by Random Matrix Theory below the Thouless scale. The three pure Energy options [joint colloquium with Chemistry] – John Deutch Thu. October 4th, 2007 4:30 pm-5:30 pm Looking for the Spin Hall Effect in all the Wrong Places – Nitin Samarth Mon. October 1st, 2007 12:30 pm-1:30 pm The spin and anomalous Hall effects are related phenomena that arise from spin-dependent electrical transport in solids in the presence Science And Science Fiction – Robert Scherrer Thu. September 27th, 2007 4:15 pm-5:15 pm I will explore the similarities and differences between the process of writing science fiction and the process of “producing” science, Defect structures in nematic liquid crystal shells – Alberto Fernandez-Nieves Mon. September 24th, 2007 12:30 pm-1:30 pm We use double emulstions drops to experimentally realize a system to investigate the defect structure in spherical shells of nematic Real-time polarization spectroscopies: applications in thin film growth and photovoltaics – Robert Collins Thu. September 20th, 2007 4:15 pm-5:15 pm Photovoltaics (PV) technologies based on thin films of hydrogenated amorphous silicon (a-Si:H) and polycrystalline cadmium telluride (pc-CdTe) have met with Frustration Phenomena in Liquid Crystals in Contact with Patterned Substrates – Tim Atherton Mon. September 17th, 2007 12:30 pm-1:30 pm Recent experimental advances in fabricating micropatterned surfaces offer the display industry the possibility of constructing new types of display with Energy Transport in One-dimensional Systems – Onuttom Narayan Thu. September 13th, 2007 4:15 pm-5:15 pm In quasi one dimensional systems, the flow of energy has many unusual features. In the first part of this talk, Elasticity of Polymer Gels (and a Cytoskeleton in the Closet) – Gavin Buxton Mon. September 10th, 2007 12:30 pm-1:30 pm Using computer simulations we can investigate the elastic properties of random elastic networks of struts. As the connectivity of the The Physics Enterprise – C. Rosenblatt Thu. September 6th, 2007 4:15 pm-5:15 pm A (mostly pictorial) history of how American physics evolved from Ben Franklin’s kite to the tens of billions of dollars Dark matter, small-scale structure, and dwarf galaxies – Louie Strigari Tue. September 4th, 2007 11:30 am-12:30 pm The standard model of cold dark matter predicts the existence of thousands of small dark matter halos orbiting the Milky Odd circuits: stability and jamming in hard granular materials – Nicolas Rivier Mon. May 21st, 2007 12:30 pm-1:30 pm A dry granular material is modelled as a graph of spherical grains linked by purely repulsive contacts. Its stability (jamming) Finding and Using Strong Galaxy-Galaxy Lenses in the SDSS – Adam Bolton Fri. May 4th, 2007 11:30 am-12:30 pm Theory and Phenomenology of Strong Gravitational Lensing – Adam Bolton Thu. May 3rd, 2007 11:30 am-12:30 pm Michelson Postdoctoral Prize lecture – Adam Bolton Wed. May 2nd, 2007 4:15 pm-5:15 pm All I Really Need to Know about Elliptical Galaxies – Adam Bolton Wed. May 2nd, 2007 4:15 pm-5:15 pm Some problems in the non-linear optics of liquid crystals – Tim Sluckin Mon. April 30th, 2007 12:30 pm-1:30 pm Michelson Postdoctoral Lecture – Adam Bolton Mon. April 30th, 2007 12:30 pm-1:30 pm The Modern Practice of Optical Astronomy – Adam Bolton Mon. April 30th, 2007 4:00 pm-5:00 pm How to Efficiently Convert Electrical Energy into Light Using Organic Materials – Zakya H. Kafafi Thu. April 26th, 2007 4:15 pm-5:15 pm How to Efficiently Convert Electrical Energy into Light Using Organic Materials String Gas Cosmology and Structure Formation – Robert Brandenberger Tue. April 24th, 2007 11:30 am-12:30 pm Understanding the very early universe is linked inextricably with understanding the resolution of cosmological singularities. I will discuss “string gas ACES seminar: Molecularly Engineered Interfaces for Organic Optoelectronics – Zakya Kafafi Mon. April 23rd, 2007 12:30 pm-1:30 pm The Origin of the Big Bang: the status of inflation after WMAP – Slava Mukhanov Fri. April 20th, 2007 11:30 am-12:30 pm I will discuss at a colloquium level the robust model independent predictions of inflation and compare these predictions with the Low Temperature Physics and Physicists Six Decades Ago – B. S. Chandrasekhar Thu. April 19th, 2007 4:15 pm-5:15 pm I shall describe what the field looked like when I entered it as a foot-soldier, i.e. research student, more than Prospects for a New Type of High Energy Physics Facility: a Muon Collider – Tom Roberts Fri. April 13th, 2007 11:30 am-12:30 pm In a few years, after Fermilab’s Tevatron turns off and initial LHC results are available, the High Energy Physics community An Explanation for Dayton Miller’s Anomalous “Ether Drift” Result – Tom Roberts Thu. April 12th, 2007 4:15 pm-5:15 pm In 1933 Dayton Miller published the results of his voluminous observations using his ether drift interferometer, and proclaimed that he Ongoing Mysteries in Astrophysics – Don Driscoll Wed. April 11th, 2007 4:00 pm-5:00 pm We are at the brink of a Golden Age of Astrophysics with the promise of answers to many long-outstanding questions, Ongoing Mysteries in Astrophysics – Donald Driscoll Wed. April 11th, 2007 12:30 pm-1:30 pm We are at the brink of a Golden Age of Astrophysics with the promise of answers to many long-outstanding questions, Bioinspired molecular optoelectronics – Volodimyr Duzhko Fri. April 6th, 2007 12:30 pm-1:30 pm The versatility and rich functionality of living cells in Nature inspire researchers from many disciplines. For example, artificial replication of Jamming – Andrea Liu Thu. April 5th, 2007 4:15 pm-5:15 pm All around us things seem to get jammed. Before breakfast, coffee grounds and cereal jam as they refuse to flow New avenues to computational technology: novel spin transport effects at the nanoscale – Ewelina Hankiewicz Mon. April 2nd, 2007 12:30 pm-1:30 pm The exponential increase of computational speed over time through miniaturization, known as Moore’s law, is now a thing of the Binary black holes and their echoes in the Universe – Pablo Laguna Thu. March 29th, 2007 4:15 pm-5:15 pm A new window in astronomy will open once gravitational-wave interferometers detect “first light.” These detectors will give us a revolutionary Probability in cosmology: from Bayes theorem to the anthropic principle – Roberto Trotta Tue. March 27th, 2007 11:30 am-12:30 pm TBA Plasmons in metallic nanostructures – Peter Nordlander Thu. March 22nd, 2007 4:15 pm-5:15 pm The recent observation that certain metallic nanoparticles possess plasmon resonances that depend very sensitively on the shape of the nanostructure EBEX, a CMB B-mode polarization experiment – Tomotake Matsumura Tue. March 20th, 2007 11:30 am-12:30 pm I present a balloon-borne cosmic microwave background (CMB) polarization experiment, E and B experiment(EBEX). EBEX is designed, i) to detect Warped Passages: Unravelling the Mysteries of the Universe’s Hidden Dimensions Tue. March 20th, 2007 5:30 pm-6:30 pm Host: NOTE: The event is free, but registration is required, at www.case.edu/events/dls/register.html 2007 Distinguished Lecture: Warped Passages: Unraveling the Mysteries of the Universe’s Hidden Dimensions Tue. March 20th, 2007 5:30 pm-6:30 pm From nano to micro: hierarchical ordering at the nanoscale – Ezekiel Johnston-Halperin Mon. March 19th, 2007 12:30 pm-1:30 pm The overall goal of controlling structural and electronic materials properties at nanometer length scales can be thought of as the Voids of Dark Energy – Sourish Dutta Tue. March 6th, 2007 11:30 am-12:30 pm The present-day acceleration of the Universe is one of the greatest mysteries of modern cosmology. In the framework of general Reconstructing dark energy using Maximum Entropy – Caroline Zunckel Fri. March 2nd, 2007 12:30 pm-1:30 pm Even in what has been termed an age of `precision cosmology’ certain anomalies on a range of astrophysical scales are Current, maximum power and optimized efficiency of Brownian heat engine – Mulugeta Bekele Fri. March 2nd, 2007 12:30 pm-1:30 pm A tiny heat engine is modeled as a Brownian particle in a sawtooth potential (with or without load) moving through Self-assembled Molecular Nanostructures at Surfaces – Steven Tait Thu. March 1st, 2007 4:15 pm-5:15 pm Producing nanometer-scale architectures on surfaces is a current technological and scientific challenge. A natural alternative to current fabrication methods is Unraveling Electronic and Spin Structure with Photoemission – Oleg Krupin Mon. February 26th, 2007 12:30 pm-1:30 pm Angle-resolved photoemission is widely recognized as a versatile tool for studies of the electronic structure and Fermi surface topology of Controlled Fabrication and Imaging of Nano-Scale Devices – Douglas Strachan Thu. February 22nd, 2007 4:15 pm-5:15 pm Molecular-scale devices hold the potential for a wide range of electronic applications requiring new fundamental scientific understanding.ÊOne of the biggest Electrical Transport in Individual Nanostructures – Zhixian Zhou Tue. February 20th, 2007 12:30 pm-1:30 pm Understanding the fundamental physical properties of individual nano scale materials is an essential and fundamental part of the research in Ultrafast non-equilibrium phenomena of the integer quantum Hall system – Keshav Dani Mon. February 19th, 2007 12:30 pm-1:30 pm The non-equilibrium properties of a system are typically understood by assuming instantaneous scattering between particles. However, for very early (femtosecond) Do quantum excitations of the inflaton decay? – Cristian Armendariz-Picon Fri. February 16th, 2007 12:30 pm-1:30 pm The properties of the primordial perturbations seeded during a stage of inflation are determined by the quantum state of the The Sensitivity Limits of Nanowire Bio-Sensors – Xuan Gao Wed. February 14th, 2007 4:15 pm-5:15 pm Nanowire field effect transistors (NWFETs) are emerging as powerful sensors for bio-molecule detection. I will discuss the interplay of device Heisenberg’s XY model and the Development of Mammalian Visual Cortex – Peter Thomas Mon. February 12th, 2007 12:30 pm-1:30 pm The architecture of the primary visual cortex, the first cortical area devoted to processing visual information, exhibits fascinating spatial organization. Optoelectronic devices based on a semiconducting polymer homojunction – Janelle Leger Thu. February 8th, 2007 4:15 pm-5:15 pm Junctions between p and n type semiconductors are the fundamental structure upon which nearly all semiconductor technology is based. The Engineering Defect Dynamics in Liquid Crystal Cells – Rolfe Petschek Mon. February 5th, 2007 12:30 pm-1:30 pm Defects and slow dynamics of defects in a type of liquid crystal cell that allows the manufacture of wide-viewing angle Colossal magnetoresistive manganites and high temperature superconductors: so different, yet so similar – Norman Mannella Thu. February 1st, 2007 4:15 pm-5:15 pm Transition metal oxides constitute a prototype for complex electron systems in which electrons organize collectively and give raise to spectacular Cosmic (super)strings: Gravitational wave bursts, stochastic background, and experimental constraints – Xavier Siemens Tue. January 30th, 2007 11:30 am-12:30 pm I discuss gravitational wave experimental signatures (bursts and stochastic background) of cosmic strings. I will show burst rates that are Transition metal and rare-earth nitrides: a new route to magnetic semiconductors – Walter Lambrecht Mon. January 29th, 2007 12:30 pm-1:30 pm Transition metal and rare-earth nitrides have both potential as magnetic semiconductors. I will present two case studies: Mn-doped ScN, which, Quantum cosmology and the conditions at birth of the universe – Serge Winitzki Tue. January 23rd, 2007 11:30 am-12:30 pm Cosmology ultimately aims to explain the initial conditions at the beginning of time and the entire subsequent evolution of the Bohr’s Vision, Delbruck’s Quest, and the Ironic Origins of Molecular Biology – Neil Greenspan Thu. January 18th, 2007 4:15 pm-5:15 pm April 25th, 2003, marked the 50th anniversary of the publication, in Nature (171:737-738, 1953), of the paper by James D. Surface texture in the A and B phases of superfluid He-3 probed by surface state electrons – Kimitoshi Kono Thu. January 11th, 2007 4:15 pm-5:15 pm We performed conductivity measurements of the 2D Wigner solid, which is an triangular array of electrons, on the surface of The life and death of dark matter halos: predictions for neutralino annihilation Tue. December 12th, 2006 11:30 am-12:30 pm The concordance cosmological model predicts that structures in the Universe form via hierarchical merging, beginning with the smallest dark matter Music Theory and Physics – Dmitri Tymoczko Thu. December 7th, 2006 4:15 pm-5:15 pm I’ll talk about how music theorists encounter structures familiar from physics — symmetry groups, eigenvectors, gravitational fields, even — believe Aethereal Gravity – Brendan Foster Tue. December 5th, 2006 11:30 am-12:30 pm Hints from quantum gravity suggest the existence of a preferred frame. One way to accommodate such a frame in general Dark Energy: Taking Sides on the Issue [Joint Colloquium with Astronomy] – Rocky Kolb Thu. November 30th, 2006 4:15 pm-5:15 pm All evidence for dark energy is indirect (as is the evidence for acceleration of the universe). In this colloquium I The Quintessence Potential: Need for Features and Tracking? – Martin Sahlen Tue. November 28th, 2006 11:30 am-12:30 pm We reconstruct the potential of a quintessence field from current observational data, including new supernova data, plus information from the Nonlinear Optics in Multilayer Polymer Films – Kenneth Singer Mon. November 27th, 2006 12:30 pm-1:30 pm Case Western was recently awarded a National Science Foundation Science and Technology Center. This 5 year ~\$20M once renewable grant Exploring the Dark Energy Domain – Dragan Huterer Tue. November 21st, 2006 11:30 am-12:30 pm One of the great mysteries of modern cosmology is the origin and nature of dark energy – a smooth component Electronic Motion in Molecular Circuits: Elastic Scattering and Beyond – Mark Ratner Thu. November 16th, 2006 4:15 pm-5:15 pm Current experimental efforts are clarifying quite beautifully the nature of charge transport in so-called molecular junctions, in which a single Probing Dark Energy – Josh Frieman Tue. November 14th, 2006 11:30 am-12:30 pm TBA Terahertz spectroscopy of InMnAs – Jason Deibel Mon. November 13th, 2006 12:30 pm-1:30 pm Diluted magnetic semiconductors (DMS’s) based on III-V semiconductors such as GaAs and InAs have drawn considerable interest over the past Nanoparticle Liquid Crystals as Negative Index Materials – Peter Palffy-Muhoray Thu. November 9th, 2006 4:15 pm-5:15 pm Light propagation in negative index materials (NIMs) is most unusual: light wave and energy travel in opposite directions. NIMs open Semiconductor Spintronics – Igor Zutic Mon. November 6th, 2006 12:30 pm-1:30 pm Spin-polarized transport and the related field of spintronics [1] rely on lifting of spin degeneracy in various physical properties. A Fabrication and Characterization of Functional Nanostructures and Applications – Richard Mu Mon. October 30th, 2006 12:30 pm-1:30 pm My talk may consist of two folds. First, I would like to take this unique opportunity to give a brief The Cusp at Optimum Doping in the Low-Temperature Hall Number of the High-Temperature Superconductors – Greg Boebinger Wed. October 25th, 2006 4:15 pm-5:15 pm After a brief overview of recent achievements at the National High Magnetic Field Laboratory (MagLab) using our pulsed, powered, and Is the Adiabatic approximation Inconsistent? – Solomon Duki Mon. October 23rd, 2006 12:30 pm-1:30 pm The adiabatic theorem is the basis of an approximation scheme that was discovered at the dawn of quantum mechanics and Pollock’s Paintings: Are They Really Fractal? – Ellen Landau and Kate Jones-Smith Thu. October 19th, 2006 4:30 pm-5:30 pm Ellen:Motivated by a desire to assert the quality of his medium through gesture and materiality, Jackson Pollock’s allover paintings appear Black Hole Formation, Evaporation and the Information Loss Problem – Dejan Stojkovic Tue. October 17th, 2006 11:30 am-12:30 pm We use the full quantum treatment to study formation of a black hole as seen by an asymptotic observer. Using X-Ray Emission and Resonant Inelastic X-ray Scattering: new probes of electronic structure in complex materials – Kevin Smith Mon. October 16th, 2006 12:30 pm-1:30 pm Detailed electronic structure measurements are required in order to fully understand many physical phenomena in solids. While photoemission spectroscopy is Physics is Fun — Odyssey of a Physics Entrepreneur – Ned Rasor Thu. October 12th, 2006 4:15 pm-5:15 pm The personal realization that physics is fun and addicting began with a chain of accidental discoveries: discovery of physics as Solution Processable Organic Photovoltaics – Sean Shaheen Mon. October 9th, 2006 12:30 pm-1:30 pm Organic photovoltaics (OPV) have demonstrated power conversion efficiencies under AM1.5 illumination of 5%, a value high enough to attract attention Dancing Fluids in Controlled Gravity – Charles Rosenblatt Thu. October 5th, 2006 4:15 pm-5:15 pm Magnetic levitation techniques, whereby a strong magnetic field gradient partially or completely counteracts the Earth’s gravitational force, are applied to Nuclear astrophysics underground – Heide Costantini Tue. October 3rd, 2006 11:30 am-12:30 pm Cross section measurements for quiescent stellar burning are hampered mainly by extremely low counting rate and cosmic background. Some of Electromechanical coupling effects in semiconductor heterostructures – Lok C. Lew Yan Voon Mon. October 2nd, 2006 12:30 pm-1:30 pm Electromechanical coupling effects are known to significantly impact the physical properties of wurtzite (nitrides, ZnO, …) semiconductor nanostructure devices. However, Is the Universe Out of Tune? – Glenn Starkman Thu. September 28th, 2006 4:15 pm-5:15 pm It is a widely held view among cosmologists that our standard theory of cosmology — inflationary Lambda Cold Dark Matter Searching for double beta decay with the Enriched Xenon Observatory – Carter Hall Tue. September 26th, 2006 11:30 am-12:30 pm Neutrinoless double beta decay has recently become a top priority for the global experimental neutrino physics program. Double beta decay Positron annihilations at the Galactic Center: Generating more questions than answers – Hasan Yuksel Tue. September 26th, 2006 11:30 am-12:30 pm The bulge of our Galaxy is illuminated by the 0.511 MeV gamma-ray line flux from annihilations of nonrelativistic positrons. The Simulating non-equilibrium processes over extended time and length scales using parallel kinetic Monte Carlo and parallel accelerated dynamics – Jacques Amar Tue. September 26th, 2006 12:30 pm-1:30 pm A long-standing obstacle to the understanding of non-equilibrium processes in condensed-phase systems is that many important processes occur on time-scales Many worlds in one – Alex Vilenkin Thu. September 21st, 2006 4:15 pm-5:15 pm The new worldview that has emerged from recent developments in cosmology suggests that remote parts of the universe are in Expulsion of bend from a smectic liquid crystal: Anology to a type-I superconductor – Ruiting Wang Mon. September 18th, 2006 12:30 pm-1:30 pm Using an atomic force microscope to nanopattern a substrate for liquid crystal alignment, a bend distortion is imposed on a “Recycling” Nuclear Power Plant Waste: Technical Difficulties and Proliferation Concerns – Ed Lyman Thu. September 14th, 2006 4:15 pm-5:15 pm One of the most vexing problems associated with nuclear energy is the inability to find a technically and politically viable Suppression of superconductivity in the Hubbard model at intermediate coupling by buckling and breathing phonons – Mark Jarrell Mon. September 11th, 2006 12:30 pm-1:30 pm Recent quantum Monte Carlo Dynamical Cluster calculations show that the Hubbard model displays superconductivity at temperatures relevant to the cuprate There is plenty of room at the bottom – Norman Tien Thu. September 7th, 2006 4:15 pm-5:15 pm Richard Feynman gave a classic talk in 1959 envisioning the field of nanotechnology and inviting people to enter a new Neutrino Magnetic Moments/ Galactic Positrons and Annihilating Dark Matter – Nicole Bell Fri. May 5th, 2006 12:30 pm-1:30 pm Neutrino Magnetic Moments: The detection of a neutrino magnetic moment comparable to present limits would be an unequivocal indication of Neutrino Physics and Astrophysics: What we have learned and what we would like to discover – Nicole Bell Wed. May 3rd, 2006 4:15 pm-5:15 pm Our knowledge of neutrino physics has undergone dramatic improvement in the last few years. We are now in the position Neutrino Physics and Astrophysics: What we have learned and what we would like to discover – Nicole Bell Wed. May 3rd, 2006 4:15 pm-5:15 pm Our knowledge of neutrino physics has undergone dramatic improvement in the last few years. We are now in the position Cosmological Neutrinos: Relic Neutrino Abundance and Neutrino Mass Constraints – Nicole Bell Tue. May 2nd, 2006 12:30 pm-1:30 pm Neutrinos play unique roles in many epochs of the Universe’s evolution. Important information can be gleaned from neutrino evolution during Michelson Postdoctoral Prize Lecture – Nicole Bell Mon. May 1st, 2006 11:30 am-12:30 pm Astrophysical Neutrinos: Revealing Neutrino Properties at the Highest Energies Michelson Postdoctoral Prize Lecture – Nicole Bell Mon. May 1st, 2006 12:30 pm-1:30 pm Astrophysical Neutrinos: Revealing Neutrino Properties at the Highest Energies Astrophysical Neutrinos: Revealing Neutrino Properties at the Highest Energies – Nicole Bell Mon. May 1st, 2006 12:30 pm-1:30 pm High energy neutrino astronomy opens a window on the universe that is not accessible with photons, offering an opportunity to DNA Microtubules: a physical approach to synthetic biology – Deborah Fygenson Thu. April 27th, 2006 4:15 pm-5:15 pm Microtubules are self-assembling/self-destructing tubular crystals of the protein tubulin that underpin the structure of most cells. Their dramatic dynamic instability Phonon Anharmonicity and Phase Transitions in Bulk and Nanoparticle ZnSe under High Pressure – Bernard Weinstein Mon. April 24th, 2006 12:30 pm-1:30 pm Resonant multi-phonon interactions strongly modify the life-times of the TO(Gamma) and LO(Gamma) normal modes in many bulk semiconductors.[1] The optically Confinement and Salt-Induced Long-Range Attraction in Colloids – Elshad Allahyarov Thu. April 13th, 2006 4:15 pm-5:15 pm One of the long-standing problems in colloid science is whether there is like-charge attraction or repulsion between colloid particles in The structure of a vortex and critical current through the BCS-BEC crossover – Mohit Randeria Mon. April 10th, 2006 12:30 pm-1:30 pm Recently, there has been dramatic progress in experimental studies of the BCS-BEC crossover in trapped atomic Fermi gases. In this String Theory and Cosmology – Henry Tye Thu. April 6th, 2006 4:15 pm-5:15 pm Recent advances in string theory leads naturally to an inflationary scenario that can be tested via cosmological observations. Accelerated expansion from structure formation – Syksy Rasanen Tue. April 4th, 2006 11:30 am-12:30 pm I discuss the backreaction of inhomogeneities on the expansion of the universe. The average behaviour of an inhomogeneous spacetime is Fractional vortices and composite domain walls in nanomagnets – Oleg Tchernyshyvov Mon. April 3rd, 2006 12:30 pm-1:30 pm We provide a simple explanation of complex magnetic patterns observed in ferromagnetic nanostructures. To this end we identify elementary topological Nematic Elastomers: Liquid Crystals and Fluid Solids – Robert Meyer Thu. March 30th, 2006 4:15 pm-5:15 pm The combination of a nematic or cholesteric liquid crystal and a crosslinked polymer network, either an elastomer or a gel, Molecular Imaging with Ultrafast Electron Diffraction – Chong-Yu Ruan Mon. March 27th, 2006 12:30 pm-1:30 pm Ultrafast molecular imaging represents an emerging frontier.In particular, recent developments in the ultrafast electron diffraction (UED) have demonstrated the ability A New Approach to Monte Carlo Methods in Statistical Physics – David Landau Thu. March 23rd, 2006 4:15 pm-5:15 pm Treading a Fine Line: One-Dimensional Semiconductor Physics in Carbon Nanotubes – Michael Fuhrer Mon. March 20th, 2006 12:30 pm-1:30 pm The growth of individual, long (> 1 mm), high-quality single- or few-walled carbon nanotubes (CNTs) on substrates by chemical vapor The two hydrogen economies – George Crabtree Thu. March 9th, 2006 4:15 pm-5:15 pm Hydrogen offers a compelling solution to the energy challenges of supply, security, pollution, and climate change. Although today’s technology enables DEAP and CLEAN Detectors for Low-Energy Particle Astrophysics – Andrew Hime Tue. March 7th, 2006 11:30 am-12:30 pm The unique properties of scintillation light in liquid neon and liquid argon make possible conceptually simple, massive, and highly sensitive Electron Interactions and Phase Coherence in Metals – Norman Birge Mon. March 6th, 2006 12:30 pm-1:30 pm At low temperatures, conduction electrons in disordered metals maintain quantum phase coherence over times often exceeding one nanosecond — several In Search of Particle Dark Matter – Dan Hooper Tue. February 28th, 2006 11:30 am-12:30 pm In recent years, we have learned a great deal about dark matter, but are still ignorant of its identity. The Point defects in ZnGeP2 – Walter Lambrecht Mon. February 27th, 2006 12:30 pm-1:30 pm ZnGeP2 is a semiconductor material used in nonlinear optical frequency conversion. To advance these applications it is necessary to gain Green Chemistry – Theory and Practice – Paul Anastas Thu. February 23rd, 2006 4:15 pm-5:15 pm Galaxy Clustering in the SDSS Redshift Survey – Idit Zehavi Tue. February 21st, 2006 11:30 am-12:30 pm The ongoing Sloan Digital Sky Survey (SDSS) is providing a wealth of information enabling extensive large-scale structure studies. I will The determination Liquid Crystal Device parameters by means of renormalized transmission spectroscopic ellipsometry – Munehiro Kimura Mon. February 20th, 2006 12:30 pm-1:30 pm Experiments with New Soft Solids – Patrick Mather Mon. February 13th, 2006 12:30 pm-1:30 pm The design and synthesis of soft polymeric materials with tailored properties is an area of emphasis in our group. This Relativity as a General Audience Course: The Inventor’s Paradox and the Explainer’s Paradox – Dan Styer Thu. February 9th, 2006 4:15 pm-5:15 pm Through a decade of teaching special relativity to general-audience students, I have evolved a teaching strategy that combines numerical, algebraic, Frontiers in spectroscopy with the scanning tunneling microscope – Jay Gupta Mon. February 6th, 2006 12:30 pm-1:30 pm The scanning tunneling microscope is a versatile tool to study nanoscale structures with atomic resolution through a combination of manipulation Electronic Properties of InSb Quantum Wells and Mesoscopic Structures – Michael Santos Mon. January 30th, 2006 12:30 pm-1:30 pm In narrow-gap semiconductors, electrons have properties that are much different than in free space. For example, the effective mass in The Origin of Ultra High Energy Cosmic Rays: New Clues from the Pierre Auger Observatory – Corbin Covault Thu. January 26th, 2006 4:15 pm-5:15 pm The origin of the highest energy cosmic rays has remained a profoundmystery for decades. Physicists are generally interested in cosmic Cosmogenic Radioisotopes in Low Background Experiments – The WARP Experiment at Gran Sasso – Cristiano Galbiati Tue. January 24th, 2006 11:30 am-12:30 pm I will discuss results from recent studies on production of radioisotopes by muon-induced showers in neutrino detectors located deep underground. Single atom and single molecule manipulation with a scanning tunneling microscope – Saw-Wai Hla Thu. January 19th, 2006 4:15 pm-5:15 pm The fascinating advances in single atom/molecule manipulations with the scanning-tunneling-microscope (STM)-tip allow scientists to fabricate artificial atomic scale structures, to Oscillatory interlayer coupling in Co/Pt multilayers with perpendicular anisotropy – Fengyuan Yang Mon. December 5th, 2005 12:30 pm-1:30 pm Problem Solving and the Use of Math in Physics Courses – Joe Redish Thu. December 1st, 2005 4:15 pm-5:15 pm Mathematics is an essential element of physics problem solving, but as professionals, we often fail to appreciate exactly what we Quantitative modeling of single-molecule RNA force-extension experiments – R. Bundschuh Mon. November 28th, 2005 12:30 pm-1:30 pm Single-molecule force-extension experiments are an emerging tool for the study of biomolecules. For a molecule like RNA that has to Between gases and liquids: the paradoxes of near-critical fluidsdynamics – Pierre Carles Mon. November 21st, 2005 12:30 pm-1:30 pm The thermophysical properties of fluids near their liquid-vapor critical point are governed by universal critical phenomena, formalized theoretically after the Plasmas as a Prototypical Complex System: Self-Organized Criticality as a Paradigm for Plasma Transport – David Newman Thu. November 17th, 2005 4:15 pm-5:15 pm In nature there are many systems that exhibit some form of self-organization. Among these are forest fires, earthquakes, sandpiles, maybe TeV gamma-rays and the largest masses and annihilation cross sections of neutralino dark matter – Stefano Profumo Tue. November 15th, 2005 11:30 am-12:30 pm Motivated by the interpretation of the recent results on the TeV gamma radiation from the Galactic center, including the new Chaotic Processes in Planet Migration and Orbital Evolution – Fred Adams Tue. November 8th, 2005 11:30 am-12:30 pm Nearly 150 extrasolar planets have been discovered to date, and their observed orbits display an unexpected diversity. This talk considers Low-dimensional Transport in Nanoscaled Materials – Philip Kim Mon. November 7th, 2005 12:30 pm-1:30 pm The use of modern state-of-the-art device fabrication techniques and the development of new methods of nanosclae material synthesis/manipulation enable us The calculation of electronic excitations in condensed matter – Lorin Benedict Thu. November 3rd, 2005 4:15 pm-5:15 pm For twenty or more years, it has been possible to perform computations of material-specific ground state properties of solids, liquids, Mid-infrared Hall effect in ferromagnetic oxides and semiconductors – John Cerne Mon. October 31st, 2005 12:30 pm-1:30 pm Strongly correlated materials ranging from diluted magnetic semiconductors (DMS) to transition-metal oxides, such as ruthenate perovskite (RP) compounds and high Bending the quantum Hall effect: Novel one-dimensional metallic and insulating states – Matthew Grayson Thu. October 20th, 2005 4:15 pm-5:15 pm Abstract: One-dimensional conductors are the wires that will connect the circuits of tomorrowÕs nanoworld, so it is important to characterize Prospects for Measuring nu-N Coherent Scattering at a Spallation Source Tue. October 18th, 2005 11:30 am-12:30 pm Coherent neutral current neutrino-nucleus elastic scattering has never been observed. Although the cross-section is very high, nuclear recoil energies are Einstein 1905: The Standard of Greatness – John Rigden Thu. October 13th, 2005 4:15 pm-5:15 pm In the short duration of six months, one week, and two days, Einstein, in 1905, wrote five papers that stand On virialization with dark energy – Irit Maor Tue. October 11th, 2005 11:30 am-12:30 pm We review the inclusion of dark energy into the formalism of spherical collapse, and the virialization of a two-component system, Prospects for Measuring nu-N Coherent Scattering at a Spallation Source – Kate Scholberg Tue. October 11th, 2005 11:30 am-12:30 pm Coherent neutral current neutrino-nucleus elastic scattering has never been observed. Although the cross-section is very high, nuclear recoil energies are 2005 Robert Cherry Teaching Award Finalist Lecture: A Simple View of MRI and Its Rich View of Us – Robert Brown Thu. October 6th, 2005 4:15 pm-5:15 pm With a reported 60 million scans made each year and the frequent news articles on what we are learning about our Wormholes, Dark Energy, and the Null Energy Condition – Roman Buniy Tue. October 4th, 2005 11:30 am-12:30 pm We show that violation of the null energy condition implies instability in a broad class of models, including classical gauge The Origins of Microstructure: Dynamics and Patterning of Topological Defects in Soft and Hard Condensed Matter – Robin Selinger Thu. September 29th, 2005 4:15 pm-5:15 pm Most condensed matter is riddled with defects that interrupt long-range order. Your house key, for instance, contains a network of Can black hole events from cosmic rays be observed at the Auger Observatory? – Dejan Stojkovic Tue. September 27th, 2005 11:30 am-12:30 pm It has been argued that neutrinos originating from ultra-high energy cosmic rays produce black holes deep in the atmosphere in Cell signalling Biophysics of GTPase-protein interactions: an overview of ideas and ongoing activities – Matthias Buck Mon. September 26th, 2005 12:30 pm-1:30 pm Quantum metric fluctuations in cosmological and black hole spacetimes – Albert Roura Tue. September 20th, 2005 11:30 am-12:30 pm It is expected that a number of quantum aspects of the gravitational field and its interaction with the remaining matter ZIP-ping for Dark Matter – Michael Dragowsky Mon. September 19th, 2005 12:30 pm-1:30 pm Astrophysical evidence has long implied the existence of non-luminous matter on the scale of galaxies. In the last few years A Pocket-Sized Telling of the Genesis of the Greatest Ideas of the Greatest Thinker of All Time OR How Analogy Showed Einstein the Light, and How Light Showed Einstein the Universe – Douglas Hofstadter Thu. September 15th, 2005 4:15 pm-5:15 pm Call it hubris or call it hubris squared, but somebody had to tackle it in this, the centenary of Albert What is the Cosmological Significance of a Discovery of Wimps at Colliders or in Direct Experiments? – Jacob Bourjaily Tue. September 13th, 2005 11:30 am-12:30 pm Although a discovery of wimps either at colliders or indirect experiments would have enormous implications for our understanding of particle Ground- and Excited-State Attributes of Hexanuclear Rhenium(III) Chalcogenide Clusters – Thomas Gray Mon. September 12th, 2005 12:30 pm-1:30 pm High Temperatures Superconductors: Recent Progress and Open Questions – Nandini Trivedi Thu. September 8th, 2005 4:15 pm-5:15 pm Luttinger Liquid and Beyond: Crystallization and Free-Spin Regime in 1D – Yaroslav Tserkovnyak Fri. May 13th, 2005 12:30 pm-1:30 pm In the final talk of the series, I will discuss some fundamental aspects of the physics of interacting electrons in Collective Spin Dynamics in Magnetic Nanostructures – Yaroslav Tserkovnyak Thu. May 12th, 2005 4:15 pm-5:15 pm Ferromagnetism exhibits exciting novel phenomena when the system size is shrunk to submicron scale. Especially interesting are heterostructures with ferromagnetic Electron Interference and Correlations as Seen by Momentum-Conserving Tunneling in 1D – Yaroslav Tserkovnyak Tue. May 10th, 2005 12:30 pm-1:30 pm Tunneling between parallel quantum wires of high purity is a powerful tool in investigating electron correlation effects in one dimension. Michelson Postdoctoral Prize Lecture – Yaroslav Tserkovnyak Mon. May 9th, 2005 12:30 pm-1:30 pm Lecture 1: SPONTANEOUSLY-SYMMETRY-BROKEN ARCHIMEDES SCREWS: In the first technical lecture, I will use the tool box developed in treating time-dependent Spontaneously-Symmetry-Broken Archimedes Screws – Yaroslav Tserkovnyak Mon. May 9th, 2005 4:15 pm-5:15 pm In the first technical lecture, I will use the tool box developed in treating time-dependent magnetoelectronic problems to consider a Boundary Localized Symmetry Breaking and Topological Defects – Matthew Martin Fri. May 6th, 2005 11:30 am-12:30 pm I discuss the structure of topological defects in the context of recent extra dimensional models where the symmetry breaking terms Monte Carlo simulations of inhomogeneous order in nematic liquid crystal cells: optical applications – Antoni C. Mitus Tue. May 3rd, 2005 12:30 pm-1:30 pm We will present the results of Monte Carlo simulations of nematic liquid crystals described by Lebwohl-Lasher-Rapini model. Detailed information on The Ages of the Oldest Stars – Brian Chaboyer Tue. April 26th, 2005 11:30 am-12:30 pm The ages of the oldest stars in the Milky Way yield a reliable lower limit to the age of the Forces on Small Scales – Liwei Chen Mon. April 25th, 2005 12:30 pm-1:30 pm Atomic Force Microscopy (AFM) has become an indispensable tool in nanoscience and nanotechnology. In this talk, I will not only Nanoscience with X-rays – Eric Isaacs Thu. April 21st, 2005 4:15 pm-5:15 pm Future nanoscience and nanotechnologies, from quantum computation to light harvesting for energy and advanced medical therapies, will be based on Scanned Probe Magnetic Resonance: The Magnetic Resonance Force Microscope – Chris Hammel Mon. April 18th, 2005 12:30 pm-1:30 pm Order on Curved Surfaces: Scars in Sphereland – Mark Bowick Thu. April 14th, 2005 4:15 pm-5:15 pm Particles on a flat surface usually pack into a simple triangular lattice. How does this change if curvature is switched Focused laser beams and liquid crystals: Three-dimensional imaging and control of topological defects and measurements of colloidal interactions – Oleg Lavrentovich Mon. April 11th, 2005 12:30 pm-1:30 pm Orientational order is a universal feature of numerous soft-matter systems, most notably liquid crystals. These systems are extremely flexible, producing Gravity and Horizon Entropy – Ted Jacobson Fri. April 8th, 2005 11:30 am-12:30 pm I will argue that if (i) entanglement entropy density across any surface is a universal finite constant η, and (ii) Molecular and Phase Chirality in Polymer Networks – Eugene Terentjev Thu. April 7th, 2005 4:15 pm-5:15 pm Nature appears to be inherently chiral. From the atomic scale with asymmetric carbon bonds, to much larger length scales like Spin separation in cyclotron motion – Leonid Rokhinson Mon. April 4th, 2005 12:30 pm-1:30 pm The ability to manipulate spin of charge carries in a controllable fashion is central to the rapidly developing field of Precision Results from Lattice QCD – Claude Bernard Thu. March 31st, 2005 4:15 pm-5:15 pm At present the only means of carrying out nonperturbative calculations of the Strong Interactions from first principles is through large Technique for WIMP dark matter detection using pulse-shape discrimination in noble liquids – Mark Boulay Tue. March 29th, 2005 11:30 am-12:30 pm It has long been known that a large fraction of our universe is composed of non-luminous or dark matter. The Investigations of Light Harvesting and Enhanced Nonlinear Optical Properties in Organic Dendrimers and Branched Macromolecules – Theodore Goodson III Mon. March 28th, 2005 12:30 pm-1:30 pm Organic conjugated macromolecules have received great attention due to their use in optical and electronic applications. Certain molecular aggregate systems Do Quantum Dots Break Time-reversal Symmetry? – Harsh Mathur Thu. March 17th, 2005 4:15 pm-5:15 pm Semiconductor quantum dots that contain a few hundred electrons have fascinating electronic properties shaped by the interplay of electron-electron interaction Indirect signals from Dark Matter – Francesc Ferrer Fri. March 4th, 2005 11:30 am-12:30 pm Abstract: The only evidence so far for the presence of Dark Matter in our Galaxy is through its gravitational interactions. Transparent Conducting Oxides – Timothy Coutts Thu. March 3rd, 2005 4:15 pm-5:15 pm In this talk, I shall begin by presenting some generalities about transparent conducting oxides (TCOs), including work at NREL, their Correlations Stablize Blue Phases – Lech Longa Mon. February 28th, 2005 12:30 pm-1:30 pm A Geometric approach to Distinguish Between a New Source and Random Fluctuations: Applications to High-Energy Physics – Ramani S. Pilla Fri. February 25th, 2005 11:30 am-12:30 pm One of the fundamental problems in the analysis of experimental data is determining the statistical significance of a putative signal. Searching for dark matter with liquid xenon – Tom Schutt Thu. February 24th, 2005 4:15 pm-5:15 pm Ultra-high energy neutrinos – Mike Duvernois Tue. February 22nd, 2005 11:30 am-12:30 pm The search for GZK neutrinos, and its connection to the highest-energy cosmic rays will be discussed. In particular, we’ll look Magnetoresistance in Parallel Fields – Julia Meyer Mon. February 21st, 2005 12:30 pm-1:30 pm In addition to its large scale in-plane properties, transport in (quasi) two-dimensional electron systems is sensitive to microscopic details in Towards First Glimpses of the Universe in Neutrinos – John Beacom Thu. February 17th, 2005 4:15 pm-5:15 pm With the exception of the Sun and Supernova 1987A, no astrophysical sources of neutrinos have been detected yet. However, emerging CMB/LSS correlation as a probe of dark energy – Levon Pogosian Tue. February 15th, 2005 11:30 am-12:30 pm Recent detection of the Integrated Sachs-Wolfe effect via cross-correlation of the CMB with large scale structure provided another piece of Sensitive Detection of Radiation Trapping in a Cold Dilute Gas – Samir Bali Mon. February 14th, 2005 12:30 pm-1:30 pm Radiation trapping in an illuminated gas of atoms refers to the reabsorption of spontaneously emitted photons. This reabsorption prevents the Brane cosmology with an anisotropic bulk – Dani Steer Fri. February 11th, 2005 11:30 am-12:30 pm In the context of brane cosmology, a scenario where our universe is a 3+1-dimensional surface (the “brane”) embedded in a Quantum-Limits in Mesoscopic Physics: From Quantum Noise to Qubits and Nanomechanics – Aashish Clerk Thu. February 10th, 2005 4:15 pm-5:15 pm A number of recent experiments in mesoscopic physics have raised anew the question of what constitutes an “ideal” quantum detector, Challenge of Public and Workforce Education in Nanotechnology: Science vs Science Fiction – David Smith Mon. February 7th, 2005 12:30 pm-1:30 pm Dave will discuss nanotechnology education as a challenge in both the areas of public education in science (for the K-99 Optical Signatures of the Aharonov-Bohm Phase in Carbon Nanotubes – Junichiro Kono Thu. February 3rd, 2005 4:15 pm-5:15 pm Single-walled carbon nanotubes, tubular crystals of sp2-bonded carbon atoms that are just one atom thick, come in different varieties, each The future of dark energy measurements – Dragan Huterer Tue. February 1st, 2005 11:30 am-12:30 pm Evidence for the existence of some form of dark energy — a smooth component that causes the accelerated expansion of Theoretical Constraints on the Dark Energy Equation of State – Mark Trodden Fri. January 28th, 2005 11:30 am-12:30 pm Modern cosmological observations indicate that the expansion of the universe is accelerating. This is typically described in terms of the Connecting the Dark Side and Fundamental Physics – Mark Trodden Thu. January 27th, 2005 4:15 pm-5:15 pm The universe is composed of normal matter, dark matter and a component that is causing cosmic acceleration. The existence of Functional and Morphological Imaging of the Human Brain using Magnetic Resonance Imaging – E. Mark Haacke Thu. January 20th, 2005 4:15 pm-5:15 pm Magnetic resonance imaging is an ever developing area that makes it possible to image the human body in vivo. The