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Testing the Kerr nature with binary black hole inspirals
Swarnim Shashank, Cosimo Bambi, Rittick Roy
The theory of general relativity (GR) is the standard framework for the description of gravitation and the geometric structure of spacetime. With the recent advancement of observat…
Numerical parameterization of stationary axisymmetric black holes in a theory agnostic framework
Olzhas Mukazhanov, Rittick Roy, Temurbek Mirzaev +1
The pursuit of a comprehensive theory of gravity has led to the exploration of various alternative models, necessitating a model-independent framework. The Konoplya-Rezzolla-Zhiden…
Hotspots and Photon Rings in Spherically-Symmetric Spacetimes
Prashant Kocherlakota, Luciano Rezzolla, Rittick Roy +1
Future black hole (BH) imaging observations are expected to resolve finer features corresponding to higher-order images of hotspots and of the horizon-scale accretion flow. In sphe…