Modified and alternative theory of gravities: A status report after GW170817 and its applications to cosmology and neutron stars

Asia/Bangkok
Cassiopeia (NARIT)

Cassiopeia

NARIT

Apimook Watcharangkool (NARIT)
Description

Speaker: Dr. Daris Samart

Abstract: In this talk, we will firstly introduce and survey ideas and types of the modified and alternative theory of gravities. Next, the strong constraint of these modified gravities is studied by using GW170817. We will talk more in detail about how they survived and ruled out after GW170817 constraint. The possible applications of the modified gravities to cosmology and neutron stars will be discussed and demonstrated by some models, e.g. f(R) gravity, Horndeski type of scalar-tensor gravity and massive gravity.

 

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