Quasinormal modes and Hawking radiation sparsity of GUP corrected black holes in bumblebee gravity with topological defects

DJ Gogoi, UD Goswami - Journal of Cosmology and Astroparticle …, 2022 - iopscience.iop.org
We have obtained the Generalized Uncertainty Principle (GUP) corrected de Sitter and anti-
de Sitter black hole solutions in bumblebee gravity with a topological defect. We have …

Quasinormal modes and greybody factors of symmergent black hole

DJ Gogoi, A Övgün, D Demir - Physics of the Dark Universe, 2023 - Elsevier
Symmergent gravity is an emergent gravity framework in which gravity emerges guided by
gauge invariance, accompanied by new particles, and reconciled with quantum fields. In this …

Topical Review: greybody factors and quasinormal modes for black holes invarious theories-fingerprints of invisibles

İ Sakalli, S Kanzi - Turkish Journal of Physics, 2022 - journals.tubitak.gov.tr
We give a pedagogical introduction to black holes (BHs) greybody factors (GFs) and
quasinormal modes (QNMs) and share the recent developments on those subjects. To this …

Hawking radiation by spherically-symmetric static black holes for all spins: Teukolsky equations and potentials

A Arbey, J Auffinger, M Geiller, ER Livine, F Sartini - Physical Review D, 2021 - APS
In the context of the dynamics and stability of black holes in modified theories of gravity, we
derive the Teukolsky equations for massless fields of all spins in general spherically …

Greybody factor and quasinormal modes of Regular Black Holes

Á Rincón, V Santos - The European Physical Journal C, 2020 - Springer
In this work, we investigate the quasinormal frequencies of a class of regular black hole
solutions which generalize Bardeen and Hayward spacetimes. In particular, we analyze …

Static Spherically Symmetric Black Holes in Weak f(T)-Gravity

C Pfeifer, S Schuster - Universe, 2021 - mdpi.com
With the advent of gravitational wave astronomy and first pictures of the “shadow” of the
central black hole of our milky way, theoretical analyses of black holes (and compact objects …

[HTML][HTML] Shadow, quasinormal modes, greybody bounds, and Hawking sparsity of loop quantum gravity motivated non-rotating black hole

SK Jha - The European Physical Journal C, 2023 - Springer
We consider loop quantum gravity (LQG) motivated 4D polymerized black hole and study
shadow, quasinormal modes, and Hawking radiation. We obtain analytical expressions of …

Nonextensive black hole entropy and quantum gravity effects at the last stages of evaporation

A Alonso-Serrano, MP Dąbrowski, H Gohar - Physical Review D, 2021 - APS
We analyze the generalized uncertainty principle (GUP) impact onto the nonextensive black
hole thermodynamics by using Rényi entropy. We show that when introducing GUP effects …

GUP corrected black holes with cloud of string

A Al-Badawi, S Shaymatov, SK Jha… - The European Physical …, 2024 - Springer
We investigate shadows, deflection angle, quasinormal modes (QNMs), and sparsity of
Hawking radiation of the Schwarzschild string cloud black hole's solution after applying …

Study of quasinormal modes, greybody bounds, and sparsity of Hawking radiation within the metric-affine bumblebee gravity framework

SK Jha, A Rahaman - arXiv preprint arXiv:2310.06492, 2023 - arxiv.org
In this article, we consider a static and spherically symmetric black hole metric that is a
vacuum solution of the traceless metric-affine bumblebee model. Our study focuses on the …