3 papers
astro-ph.GA2026
Probing dark matter distributions with the pericentre precession of the stellar orbits near the Galactic Centre black hole
Debojit Paul, Sanjeev Kalita
The Galactic Centre black hole provides a naive environment for understanding unknown matter distribution and new gravitational physics. For this stellar orbits in the nuclear star…
gr-qc2026
General relativistic limit of f(R) gravity in the horizon scale of black hole
Pranjali Bhattacharjee, Sanjeev Kalita, Debojit Paul +1
The environment of the Galactic Centre (GC) black hole, Sgr A* gives us new opportunities to test black hole physics and deviation from General Relativity. In this analytical study…
gr-qc2025
gravity in the solar system and cosmological scalarons
Debojit Paul, Sanjeev Kalita
Since last two decades gravity theory has been extensively used as a serious alternative of general relativity to mimic the effects of dark energy. The theory presents a Yuk…