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 …
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 …
Testing dynamical torsion effects on the charged black hole's shadow, deflection angle and greybody with M87* and Sgr. A* from EHT
Poincaré Gauge's theory of gravity is the most noteworthy alternative extension of general
relativity that has a correspondence between spin and spacetime geometry. In this paper …
relativity that has a correspondence between spin and spacetime geometry. In this paper …
Shadows and gravitational weak lensing by the Schwarzschild black hole in the string cloud background with quintessential field
Shadows and gravitational weak lensing by the Schwarzschild black hole in the string cloud
background with quintessential field - IOPscience This site uses cookies. By continuing to use …
background with quintessential field - IOPscience This site uses cookies. By continuing to use …
[HTML][HTML] Dark matter effect on the weak deflection angle by black holes at the center of Milky Way and M87 galaxies
In this paper, we investigated the effect of dark matter on the weak deflection angle by black
holes at the galactic center. We consider three known dark matter density profiles such as …
holes at the galactic center. We consider three known dark matter density profiles such as …
Weak deflection angle and shadow cast by the charged-Kiselev black hole with cloud of strings in plasma
In this study, the gravitational deflection angle of photons in the weak field limit (or the weak
deflection angle) and shadow cast by the electrically charged and spherically symmetric …
deflection angle) and shadow cast by the electrically charged and spherically symmetric …
Black hole in quantum wave dark matter
Abstract In this work, we explored the effect of the fuzzy dark matter (FDM)(or wave dark
matter) halo on a supermassive black hole (SMBH). Such a dark matter introduces a soliton …
matter) halo on a supermassive black hole (SMBH). Such a dark matter introduces a soliton …