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Astrophysics, Gravitation and Cosmology Seminar - James Mertens (Washington University in St Louis) "Nonlinear gravity in the late Universe"

Event Type
Seminar/Symposium
Sponsor
Department of Physics
Virtual
wifi event
Date
Apr 6, 2022   12:00 pm  
Speaker
James Mertens (Washington University in St Louis)
Contact
Brandy Koebbe
E-Mail
bkoebbe@illinois.edu
Views
38
Originating Calendar
Physics - Astrophysics, Gravitation, and Cosmology Seminar

In this talk I will describe recent progress modeling cosmological observables in a general relativistic setting. These advances provide us with insight into subtle gravitational effects that allow us to test general relativity in new regimes; yet if unaccounted for, these same effects may mislead us in our search for new physics. I will describe how these models not only allow us to study the behavior of general relativity at a nonlinear level, but provide us with a way to test the fundamental assumptions our cosmological models are built upon.

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