Deflection angle evolution with plasma medium and without plasma medium in a parameterized black hole

X He, T Xu, Y Yu, A Karamat, R Babar, R Ali - Annals of Physics, 2023 - Elsevier
Abstract Using the Keeton and Petters approach, we determine the deflection angle. We
also investigate the motion of photons around a parameterized black hole in the presence of …

Superradiance in Kerr-like black holes

E Franzin, S Liberati, M Oi - Physical Review D, 2021 - APS
Recent strong-field regime tests of gravity are so far in agreement with general relativity. In
particular, astrophysical black holes appear all to be consistent with the Kerr spacetime, but …

[HTML][HTML] 4D Einstein-Gauss-Bonnet gravity: Massless particles and absorption of planar spin-0 waves

HCDL Junior, CL Benone, LCB Crispino - Physics Letters B, 2020 - Elsevier
We investigate the absorption cross section of planar scalar massless waves impinging on
spherically symmetric black holes which are solutions of the novel 4D Einstein-Gauss …

Parametrized black holes: scattering investigation

RB Magalhães, LCS Leite, LCB Crispino - The European Physical Journal …, 2022 - Springer
We study the scattering of light-like geodesics and massless scalar waves by a static
Konoplya–Zhidenko black hole, considering the case that the parametrized black hole …

Particle dynamics in non-rotating Konoplya and Zhidenko black hole immersed in an external uniform magnetic field

A Razzaq, R Rahim, B Majeed, J Rayimbaev - The European Physical …, 2023 - Springer
This article investigates dynamics of particles in the background of non-rotating Konoplya
and Zhidenko black hole, immersed in an external uniform magnetic field. The work involves …

Tunneling and entropy analysis of parameterized black hole with rotating case

M Asgher, A Karamat, R Babar, R Ali - Physica Scripta, 2023 - iopscience.iop.org
In this work, we study the parameterized black hole solution by applying the Newman-Janis
approach and also examine the Hawking temperature. We consider a Lagrangian field …

Scattering by deformed black holes

RB Magalhães, LCS Leite, LCB Crispino - Physical Review D, 2021 - APS
Obtaining black hole solutions in alternative theories of gravity can be a difficult task due to
cumbersome field equations that arise in many of such theories. In order to study the strong …

Note on the corrected hawking temperature of a parametric deformed black hole with influence of quantum gravity

Z Li - Advances in High Energy Physics, 2023 - Wiley Online Library
In this paper, using the Hamilton‐Jacobi method, we discuss the tunnelling of fermions when
the dual influence of quantum gravity and the deformation of a parameterized black hole are …

Nonsingular and deformed black holes Fundamental aspects and phenomenology

M Oi - 2024 - iris.unica.it
Einstein's theory of gravity, general relativity, stands as one of the most successful and
enduring pillars of modern physics. Its predictions have consistently aligned with a vast array …

Connection between sinc approximation for high-energy absorption cross section and shadow of black holes

A Övgün - 2021 - preprints.org
This letter aims to show the connection between the sinc approximation for high-energy
absorption cross section and the shadow radius of the spherically symmetric black hole. This …