Observational and energetic properties of astrophysical and galactic black holes

B Narzilloev, B Ahmedov - Symmetry, 2023‏ - mdpi.com
The work reviews the investigation of electromagnetic, optical, and energetic properties of
astrophysical and galactic black holes and surrounding matter. The astrophysical …

Quasiperiodic oscillations, weak field lensing and shadow cast around black holes in Symmergent gravity

J Rayimbaev, RC Pantig, A Övgün, A Abdujabbarov… - Annals of Physics, 2023‏ - Elsevier
In this work, we performed a systematic study of the Symmergent gravity (SG) in a black hole
(BH) environment. Being an emergent gravity model in which gravity emerges to restore the …

Quasiperiodic oscillations, quasinormal modes and shadows of Bardeen–Kiselev Black Holes

J Rayimbaev, B Majeed, M Jamil, K Jusufi… - Physics of the Dark …, 2022‏ - Elsevier
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 …

Dynamics and epicyclic motions of particles around the Schwarzschild–de Sitter black hole in perfect fluid dark matter

J Rayimbaev, S Shaymatov, M Jamil - The European Physical Journal C, 2021‏ - Springer
In this paper, we investigate circular orbits for test particles around the Schwarzschild–de
Sitter (dS) black hole surrounded by perfect fluid dark matter. We determine the region of …

Circular orbits and collisions of particles with magnetic dipole moment near magnetized Kerr black holes in modified gravity

SU Khan, U Uktamov, J Rayimbaev… - The European Physical …, 2024‏ - Springer
Throughout this work, we explored the dynamics of test particles with magnetic dipole
moment around magnetized rotating Kerr black holes in scalar–vector–tensor gravity theory …

Collisions and dynamics of particles with magnetic dipole moment and electric charge near magnetized rotating Kerr black holes

S Jumaniyozov, SU Khan, J Rayimbaev… - The European Physical …, 2024‏ - Springer
Abstract Analysis of test magnetized and charged particles around black holes immersed in
external magnetic fields may help to explain the observed astrophysical phenomena related …

Regular nonminimal magnetic black hole as a source of quasiperiodic oscillations

J Rayimbaev, A Abdujabbarov, WB Han - Physical Review D, 2021‏ - APS
We study the properties of the spacetime around a regular nonminimal magnetic black hole
(BH) together with the dynamics of the neutral, magnetized, and magnetically charged …

Charged spinning and magnetized test particles orbiting quantum improved charged black holes

JM Ladino, CA Benavides-Gallego… - The European Physical …, 2023‏ - Springer
In the present work, we aimed to investigate the dynamics of spinning charged and
magnetized test particles around both electrically and magnetically charged quantum …

Spinning magnetized particles orbiting magnetized Schwarzschild black holes

F Abdulxamidov, J Rayimbaev, A Abdujabbarov… - Physical Review D, 2023‏ - APS
A way to test electromagnetic field and spacetime properties around black holes is by
considering the dynamics of test particles. In fact, in real astrophysical scenarios, it is hard to …

Circular motion and collisions of particles with magnetic dipole moment and electric charge in dipolar magnetosphere around Schwarzschild black holes

SU Khan, O Abdurkhmonov, J Rayimbaev… - The European Physical …, 2024‏ - Springer
No-hair theorem indicates that black holes cannot have their own magnetic dipole moment.
They can be weakly magnetized in binary systems with a neutron star companion and an …