2 papers
gr-qc2026
Asymptotic expansion of cavity Quasi-Normal Modes in Schwarzschild de-Sitter black hole
Arnab Priya Saha, Prajwal Shivanna
We study large-overtone quasi-normal modes of a massive scalar field in a four-dimensional Schwarzschild de-Sitter black hole in the presence of a wall placed at the static sphere.…
astro-ph.HE2024
Reheated Sub-40000 Kelvin Neutron Stars at the JWST, ELT, and TMT
Nirmal Raj, Prajwal Shivanna, Gaurav Niraj Rachh
Neutron stars cooling passively since their birth may be reheated in their late-stage evolution by a number of possible phenomena: rotochemical, vortex creep, crust cracking, magne…