Quasinormal modes and shadow of a Schwarzschild black hole with GUP

MA Anacleto, JAV Campos, FA Brito, E Passos - Annals of Physics, 2021 - Elsevier
We consider quantum corrections for the Schwarzschild black hole metric by using the
generalized uncertainty principle (GUP) to investigate quasinormal modes, shadow and …

Superradiant instability and charged scalar quasinormal modes for ()-dimensional Coulomb-like AdS black holes from nonlinear electrodynamics

PA González, Á Rincón, J Saavedra, Y Vásquez - Physical Review D, 2021 - APS
We study the propagation of charged scalar fields in the background of 2+ 1-dimensional
Coulomb-like AdS black holes, and we show that such propagation is unstable under …

Quasinormal modes of the egup-corrected schwarzschild black hole

H Chen, T Sathiyaraj, H Hassanabadi, Y Yang… - Indian Journal of …, 2023 - Springer
In this paper, the quasinormal modes of the Schwarzschild black hole under the extended
generalized uncertainty principle (EGUP) with the minimal length and momentum are …

BTZ black holes with higher curvature corrections in the 3D Einstein-Lovelock gravity

RA Konoplya, A Zhidenko - Physical Review D, 2020 - APS
The regularization procedure for getting the four-dimensional nontrivial Einstein-Gauss-
Bonnet effective description of gravity and its Lovelock generalization has been recently …

Quasinormal modes and shadow of noncommutative black hole

JAV Campos, MA Anacleto, FA Brito, E Passos - Scientific Reports, 2022 - nature.com
In this paper we investigate quasinormal modes (QNM) for a scalar field around a
noncommutative Schwarzschild black hole. We verify the effect of noncommutativity on …

Geodesic stability and quasinormal modes of non-commutative Schwarzschild black hole employing Lyapunov exponent

S Giri, H Nandan, LK Joshi, SD Maharaj - The European Physical Journal …, 2022 - Springer
We study the dynamics of test particle and stability of circular geodesics in the gravitational
field of a non-commutative geometry-inspired Schwarzschild black hole spacetime. The …

Quasinormal modes of five-dimensional black holes in non-commutative geometry

G Panotopoulos, Á Rincón - The European Physical Journal Plus, 2020 - epjplus.epj.org
We compute the spectrum of quasinormal frequencies of five-dimensional black holes
obtained in noncommutative geometry. In particular, we study scalar perturbations of a …

Noncommutative scalar quasinormal modes of the Reissner–Nordström black hole

MD Ćirić, N Konjik, A Samsarov - Classical and quantum gravity, 2018 - iopscience.iop.org
Aiming to search for a signal of space-time noncommutativity, we study a quasinormal mode
spectrum of the Reissner–Nordström black hole in the presence of a deformed space-time …

Quasinormal modes of massive fermions in Kerr spacetime: Long-lived modes and the fine structure

RA Konoplya, A Zhidenko - Physical Review D, 2018 - APS
Quasinormal modes of a massive Dirac field were calculated for various static black hole
backgrounds with the help of the WKB formula. These estimations, however, are rough and …

Superradiance scattering off Kerr-like black hole and its shadow in the bumblebee gravity with noncommutative spacetime

SK Jha, A Rahaman - The European Physical Journal C, 2022 - Springer
We consider a bumblebee gravity-based Kerr-like black hole in a noncommutative (NC)
background and study the superradiance effect and the shadow cast. We extensively study …