Nonlinear electrodynamics effects on the black hole shadow, deflection angle, quasinormal modes and greybody factors
In this paper, we discuss the effects of nonlinear electrodynamics (NED) on non-rotating
black holes, parametrized by the field coupling parameter β and magnetic charge parameter …
black holes, parametrized by the field coupling parameter β and magnetic charge parameter …
Superradiant evolution of the shadow and photon ring of Sgr
Ultralight bosons can affect the dynamics of spinning black holes (BHs) via superradiant
instability, which can lead to a time evolution of the supermassive BH shadow. We study …
instability, which can lead to a time evolution of the supermassive BH shadow. We study …
Deflection angle evolution with plasma medium and without plasma medium in a parameterized black hole
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 …
also investigate the motion of photons around a parameterized black hole in the presence of …
Deriving weak deflection angle by black holes or wormholes usingGauss-Bonnet theorem
In this review, various researches on finding the bending angle of light deflected by a
massive gravitating object which regard the Gauss-Bonnet theorem as the premise have …
massive gravitating object which regard the Gauss-Bonnet theorem as the premise have …
Superradiance evolution of black hole shadows revisited
Black hole (BH) shadows can be used to probe new physics in the form of ultralight particles
via the phenomenon of superradiant instability. By directly affecting the BH mass and spin …
via the phenomenon of superradiant instability. By directly affecting the BH mass and spin …
[HTML][HTML] Shadow, lensing, quasinormal modes, greybody bounds and neutrino propagation by dyonic ModMax black holes
Motivated by recent work on the Modified Maxwell (ModMax) black holes [Phys Lett B
10.1016/j. physletb. 2020.136011], which are invariant in duality rotations and conformal …
10.1016/j. physletb. 2020.136011], which are invariant in duality rotations and conformal …
Probing a non-linear electrodynamics black hole with thin accretion disk, shadow, and deflection angle with M87* and Sgr A* from EHT
Non-linear interaction between the electromagnetic fields (EMF) occurs when vacuum
polarization in quantum electrodynamics (QED) happens. The field of non-linear …
polarization in quantum electrodynamics (QED) happens. The field of non-linear …
Gravitational deflection of light and shadow cast by rotating Kalb-Ramond black holes
The nonminimal coupling of the nonzero vacuum expectation value of the self-interacting
antisymmetric Kalb-Ramond field with gravity leads to a power-law hairy black hole having a …
antisymmetric Kalb-Ramond field with gravity leads to a power-law hairy black hole having a …
Strong gravitational lensing and shadow constraint from M87* of slowly rotating Kerr-like black hole
XM Kuang, A Övgün - Annals of Physics, 2022 - Elsevier
Motivated by (i) more and more interest in strong gravitational lensing by supermassive
black holes due to the achievement of EHT observations,(ii) the ongoing popular topic on …
black holes due to the achievement of EHT observations,(ii) the ongoing popular topic on …
Gravitational lensing by black holes in the 4D Einstein-Gauss-Bonnet gravity
Recently, a non-trivial 4D Einstein-Gauss-Bonnet (EGB) theory of gravity, by rescaling the
GB coupling parameter as α/(D− 4), was formulated in [1], which bypasses Lovelock's …
GB coupling parameter as α/(D− 4), was formulated in [1], which bypasses Lovelock's …