Prasad R

Various compact stars exist in our cosmos, including white dwarfs, neutron stars, and black holes. The question of whether quark stars exist is still unresolved. Although they are theoretically possible, we have not yet observed one. A neutron star can become a quark star through the phase transition process, and such transformations can result in numerous emissions. Detection of these emission could confirm the existence of the quark star. I am presently investigating the phase transition scenarios and observational signatures using simulations (hydrodynamics) and theoretical studies. 

Gravitational waves (GWs) are ripples in space-time. It was proposed by Albert Einstein in 1916, and the first observation came up in LIGO in 2015. Stars emit these ripples significantly in some dynamical and catastrophic events. These emissions could be chirping in nature, burst-type (short-duration), or continuous-type (long-duration). The GW detectors on Earth detect these arriving waves and provide us a way to probe the isolated compact stars, their interaction in binaries, and the dominant physical processes at play in them. My research deals with modeling the GW emissions from compact star systems and their populations.  (GIF Source : WolframAlpha)