3 papers
astro-ph.HE2026
GRMHD accretion beyond the black hole paradigm: Light from within the shadow
Saurabh, Maciek Wielgus, Parth Bambhaniya +3
We present the first three-dimensional general relativistic magnetohydrodynamic simulation of sustained accretion onto a horizonless singularity in which matter reaches the central…
gr-qc2025
Quasinormal Modes and Stability Analysis of the JMN-1 Naked Singularity
Akshat Pathrikar, Parth Bambhaniya, Pankaj S. Joshi +1
In this paper, we perform a comprehensive analysis of the quasinormal modes in an external geometry of the Joshi-Malafarina-Narayan (JMN-1) naked singularity by investigating its r…
gr-qc2025
Retrograde Precession of Relativistic Orbits and the Quest for Charged Black Holes
Parth Bambhaniya, Meet J. Vyas, Pankaj S. Joshi +1
The S-stars around the center of the milky way galaxy provide us with detailed information about the nature of the supermassive compact object Sagittarius A* (Sgr A*). In this work…