Quasinormal modes of renormalization group improved Dymnikova regular black holes
RA Konoplya, Z Stuchlik, A Zhidenko, AF Zinhailo - Physical Review D, 2023 - APS
We find accurate quasinormal frequencies of a quantum corrected black hole constructed in
the renormalization group theory via the coordinate-independent iterative procedure …
the renormalization group theory via the coordinate-independent iterative procedure …
Quasinormal ringing of regular black holes in asymptotically safe gravity: the importance of overtones
RA Konoplya, AF Zinhailo, J Kunz… - … of Cosmology and …, 2022 - iopscience.iop.org
Asymptotically safe gravity is based on the idea that the main contribution to the
Schwarzschild-like black hole spacetime is due to the value of the gravitational coupling …
Schwarzschild-like black hole spacetime is due to the value of the gravitational coupling …
Bardeen spacetime as a quantum corrected Schwarzschild black hole: Quasinormal modes and Hawking radiation
RA Konoplya, D Ovchinnikov, B Ahmedov - Physical Review D, 2023 - APS
The Bardeen black hole holds historical significance as the first model of a regular black
hole. Recently, there have been proposed interpretations of the Bardeen spacetime as …
hole. Recently, there have been proposed interpretations of the Bardeen spacetime as …
Testing strong gravitational lensing effects of supermassive compact objects with regular spacetimes
We compare and contrast gravitational lensing, in the strong field limit, by the photon sphere
in spherically symmetric regular electrically charged (REC) black holes (0< b≤ b E) and with …
in spherically symmetric regular electrically charged (REC) black holes (0< b≤ b E) and with …
Quasiperiodic oscillations, quasinormal modes and shadows of Bardeen–Kiselev Black Holes
In this article, we study the particle dynamics around a static and spherically symmetric
Bardeen–Kiselev black hole (BK BH) which is a solution of the Einstein-non-linear Maxwell …
Bardeen–Kiselev black hole (BK BH) which is a solution of the Einstein-non-linear Maxwell …
Long-lived quasinormal modes and oscillatory tails of the Bardeen spacetime
SV Bolokhov - Physical Review D, 2024 - APS
The Bardeen black hole stands as the first model of a regular black hole. Driven by the
interpretations of Bardeen spacetime as a quantum-corrected Schwarzschild-like solution …
interpretations of Bardeen spacetime as a quantum-corrected Schwarzschild-like solution …
Killing horizons and surface gravities for a well-behaved three-function generalization of the Kerr spacetime
Thanks to the recent advent of the event horizon telescope (EHT), we now have the
opportunity to test the physical ramifications of the strong-field near-horizon regime for …
opportunity to test the physical ramifications of the strong-field near-horizon regime for …
D-dimensional Bardeen–AdS black holes in Einstein–Gauss–Bonnet theory
We present a D-dimensional Bardeen like Anti-de Sitter (AdS) black hole solution in Einstein–
Gauss–Bonnet (EGB) gravity, viz., Bardeen–EGB–AdS black holes. The Bardeen–EGB–AdS …
Gauss–Bonnet (EGB) gravity, viz., Bardeen–EGB–AdS black holes. The Bardeen–EGB–AdS …
Dirac perturbations of Hayward black hole with quintessence: Quasinormal modes and greybody factor
A Al-Badawi, A Kraishan - Chinese Journal of Physics, 2024 - Elsevier
In the context of Dark Energy (DE) research, we examine the quasinormal modes (QNMs)
and greybody factors (GFs) of Dirac field perturbation in the background of a Hayward black …
and greybody factors (GFs) of Dirac field perturbation in the background of a Hayward black …
Bardeen Black Holes in the Regularized 4D Einstein–Gauss–Bonnet Gravity
We obtain exact Bardeen black holes to the regularized 4 D Einstein–Gauss–Bonnet (EGB)
gravity minimally coupled with the nonlinear electrodynamics (NED). In turn, we analyze the …
gravity minimally coupled with the nonlinear electrodynamics (NED). In turn, we analyze the …