Lensing Probes of the Cold Dark Matter Paradigm

by Priya Natarajan

Yale University

at Physics Colloquium

Mon, 04 Apr 2022, 16:00
Zoom

Abstract

Gravitational lensing by clusters of galaxies offers a powerful probe of theories of structure formation. The standard paradigm of a cold dark matter dominated Universe provides concrete predictions for small-scale substructure properties including their abundance, radial distribution and lensing efficiency. I present recent exciting results that confront observationally inferred quantities that map dark matter on small scales with predictions of cosmological simulations. The power and prospects for stress-testing the cold dark matter paradigm with lensing data will be discussed. With the upcoming data deluge new stringent tests of dark matter will become feasible and viable.

*** The Zoom link will be sent to all the department members on the day of the event. ***
*** This colloquium is joint with all the universities in Israel. We invite you to log in at 16:00 for socializing. The talk itself will start at 16:10. ***

Created on 28-03-2022 by Kats, Yevgeny (katsye)
Updaded on 28-03-2022 by Kats, Yevgeny (katsye)