2 papers
gr-qc2026
Quasinormal Modes of Black Holes Embedded in Dark-Matter Halos: Analysis of Dehnen(1, 4, 5/2) and DC14 Density Profiles
Gaurav Rachh
We investigate how a surrounding dark-matter halo imprints itself on the QNM spectrum of a static, spherically symmetric black hole, considering two physically distinct density pro…
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…