Astro Seminar: "Weak Lensing in the Nonlinear Regime"

Wed, 10/05/2016 - 14:00 - 15:00
Jia Liu (Princeton)

Within the next decade, galaxy and CMB lensing datasets of unprecedented precision will come online from large surveys (DES, HSC, LSST, Euclid, WFIRST, AdvACT, SPT-3G, CMB-S4, etc.). These surveys will be sensitive to structure evolution in the strongly nonlinear regime, warranting the study of higher-order (non-Gaussian) statistics that contain information beyond the traditional second-order statistics. In this talk, I will present our recent study of one simple non-Gaussian statistic, the lensing peaks - their origin (1606.01318), application to galaxy lensing data (1412.0757), and forecasts for CMB lensing (1608.03169). The slides can be found at: goo.gl/Z9KYui

David Rittenhouse Laboratory, A4