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Event Date and Location Summary
Jukka Vayrynen, Microsoft Station Q, Santa Barbara , Signatures of topological ground state degeneracy in Majorana islands Mon. January 27th, 2020
12:45 pm-1:45 pm
at Rockefeller 221 (Les Foldy Room)

Title: Signatures of topological ground state degeneracy in Majorana islands

Abstract:

We consider a mesoscopic superconducting island hosting multiple pairs of Majorana zero-energy modes. The Majorana island consists of multiple p-wave wires connected together by a trivial (s-wave) superconducting backbone and is characterized by an overall charging energy $E_C$; the wires are coupled to normal-metal leads via tunnel junctions. Using a combination of analytical and numerical techniques we calculate the average charge on the island as well as non-local conductance matrix as a function of a p-wave pairing gap $\Delta_P$, charging energy $E_C$ and dimensionless junction conductances $g_i$.

Continue reading… Jukka Vayrynen, Microsoft Station Q, Santa Barbara , Signatures of topological ground state degeneracy in Majorana islands


External website: https://scholar.google.com/citations?user=22eBkAsAAAAJ&hl=en
Audrey Bienfait, MPPL lecture 1 Tue. February 18th, 2020
12:45 pm-1:45 pm
at Rockefeller 221 (Les Foldy Room)

Lecture 2

Continue reading… Audrey Bienfait, MPPL lecture 1


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