Testing Cosmological Gravity with Black Holes and Gravitational Waves

Speaker: 
Jeremy Sakstein
Institution: 
University of Pennsylvania
Date: 
Tuesday, January 23, 2018
Time: 
4:00 pm
Location: 
NS2 2201

Abstract:

Modern theories of dark energy can be epitomized by two words: modified gravity. In this talk I will discuss a popular and well-motivated model for dark energy, galileon gravity, and how it can be constrained using two novel astrophysical probes. The first, is the absence of offset black holes in nearby galaxies and the second is the recent simultaneous observation of both gravitational waves and a gamma-ray burst from two merging neutron stars.

 

Host: 
Manoj Kaplinghat