Date/Time
Date(s) - 01/02/2012
3:30 pm - 4:30 pm

Title: New Cosmologies on the Horizon

Speaker: Dr. Andrew Tolley – Case Western

Institute:

Location: ABB 102

Description:

In recent years there has been a considerable effort to look for modifications to Einstein’s theory of gravity at cosmological scales, motivated by the vexing puzzle of dark energy. One such approach looks into the possibility of giving the graviton, the fundamental exchange particle
for the gravitational force, a mass. In the last two years, with collaborators, we have proposed the first consistent theory of massive gravity in four dimensions. I will review how these ideas can be important for cosmology, and how to go about constructing such consistent theories of
gravity.