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CMB/LSS correlation as a probe of dark energy – Levon Pogosian

Date: Tue. February 15th, 2005, 11:30 am-12:30 pm
Location: Rockefeller 221

Recent detection of the Integrated Sachs-Wolfe effect via cross-correlation of the CMB with large scale structure provided another piece of evidence for the existence of Dark Energy. Although cross-correlation measurements are limited by large statistical uncertainties, they probe physical processes that are only weakly constrained by the CMB spectra and the SNIa luminosity curves. I will show that the cross-correlation data, combined with the CMB power spectra, can provide competitive constraints on certain properties of dark energy.

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