Characteristics of interaction between Gravitons and Photons

Understand

The direct detection of gravitational waves from binary mergers has been hailed as the discovery of the century.

• In the light of recent evidence on the existence of gravitational waves, it is now possible to know about the properties of matter under extreme conditions in compact astrophysical objects and different dynamical spacetimes.
• The foremost theme of the present article is to bring out the various features of the interaction between photons and gravitons that can be used in astrophysical observations.
• The effective action of interacting photons containing light-matter coupling and self-interaction term is constructed by eliminating the graviton degrees of freedom coupled to both matter and photons.