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We investigate the geodesic motion of charged particles in the vicinity of regular black holes with a Minkowski core, embedded in a uniform magnetic field, and study the influences of magnetic field and regular black hole parameter on the…

广义相对论与量子宇宙学 · 物理学 2025-04-02 Mingyu Guo , Menghe Wu , Xiaomei Kuang , Hong Guo

We investigate the epicyclic motion of charged test particles and the associated quasi-periodic oscillations (QPOs) around a weakly magnetized black hole surrounded by quintessence within the framework of Einstein-ModMax theory. We analyze…

广义相对论与量子宇宙学 · 物理学 2026-01-07 Hamza Rehman , Sanjar Shaymatov , Tao Zhu

Investigations of electromagnetic interactions between test-charged and magnetized particles are important in the dynamics of the particles in strong gravitational fields around black holes. Here, we study the dynamics of a particle having…

广义相对论与量子宇宙学 · 物理学 2023-10-13 Sardor Murodov , Javlon Rayimbaev , Bobomurat Ahmedov , Abdullo Hakimov

The purpose of this paper is to examine the epicyclic motion of charged particles in the vicinity of a magnetically charged stringy black hole subject to an electromagnetic field. This investigation is motivated by the established fact that…

广义相对论与量子宇宙学 · 物理学 2023-03-14 Sanjar Shaymatov , Kimet Jusufi , Mirzabek Alloqulov , Bobomurat Ahmedov

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 determine spacetime geometry which is dominating due…

广义相对论与量子宇宙学 · 物理学 2023-08-11 Farrux Abdulxamidov , Javlon Rayimbaev , Ahmadjon Abdujabbarov , Zdeněk Stuchlík

We investigate the dynamics of charged and neutral particles in the vicinity of a Schwarzschild-like black hole immersed in an external magnetic field. We find that the innermost stable circular orbits (ISCOs) for charged particles are…

广义相对论与量子宇宙学 · 物理学 2025-07-01 Sojida Mannobova , Gulnisa Abdukayumova , Farruh Atamurotov , Ahmadjon Abdujabbarov , X. Gao , G. Mustafa

We investigate the dynamics of a neutral and a charged particle around a static and spherically symmetric black hole in the presence of quintessence matter and external magnetic field. We explore the conditions under which the particle…

广义相对论与量子宇宙学 · 物理学 2015-01-26 Mubasher Jamil , Saqib Hussain , Bushra Majeed

The study of charged particle dynamics in the combined gravitational and magnetic field can provide important theoretical insight into astrophysical processes around black holes. In this paper, we explore the charged particle dynamics in…

广义相对论与量子宇宙学 · 物理学 2024-03-19 Martin Kološ , Misbah Shahzadi , Arman Tursunov

In this paper, geodesic motion of the charged particles in the vicinity of event horizon of Schwarzschild anti-de-Sitter black hole (BH) with topological defects has been investigated. Weakly magnetized environment is considered in the…

广义相对论与量子宇宙学 · 物理学 2021-11-03 Sidra Shafiq , Saqib Hussain , Muhammad Ozair , Adnan Aslam , Takasar Hussain

In this paper, we have presented the studies of the motion of magnetized particles and energetic processes around Schwarzschild black holes in modified gravity (MOG). The study of circular stable orbits shows that orbits of magnetized…

广义相对论与量子宇宙学 · 物理学 2020-06-23 Kamoliddin Haydarov , Javlon Rayimbaev , Ahmadjon Abdujabbarov , Satimbay Palvanov , Dilfuza Begmatova

The dynamics of charged particles around magnetized black holes provide valuable insights into astrophysical processes near compact objects. In this work, we investigate the bound and unbound trajectories of charged particles in the…

广义相对论与量子宇宙学 · 物理学 2026-02-12 Uktamjon Uktamov , Mohsen Fathi , Javlon Rayimbaev

We study the dynamics of spinning charged test particles orbiting a Schwarzschild black hole immersed in a test uniform magnetic field. This setup provides a simple but physically relevant framework for modeling particle motion in…

广义相对论与量子宇宙学 · 物理学 2026-05-05 Misbah Shahzadi , Martin Kolos , Ondrej Zelenka , Georgios Lukes-Gerakopoulos

In this paper, we show that in weak field limit Schwarzschild Bertotti-Robinson black hole (Schwarzschild-BR BH) turns into Schwarzschild black hole immersed in external uniform magnetic field which is given in 1. The dynamics of both…

广义相对论与量子宇宙学 · 物理学 2026-03-23 Yunqiao Xu , Uktamjon Uktamov , Pierros Ntelis , Ahmadjon Abdujabbarov , Bobomurat Ahmedov , Chengxun Yuan

This paper investigates the motion and acceleration of a particle that is electrically and magnetically charged, which rotates around a cylindrical black hole in the presence of an external asymptotically uniform magnetic field parallel to…

广义相对论与量子宇宙学 · 物理学 2020-10-13 Rayimbaev Javlon , Demyanova Alexandra , Ugur Camci , Ahmadjon Abdujabbarov , Bobomurat Ahmedov

We investigate quasi-periodic oscillations (QPOs) as a diagnostic tool for probing frame-dragging effects and accretion disk physics in the spacetime of a rotating regular magnetic black hole (BH). Specifically, we analyze the precession of…

广义相对论与量子宇宙学 · 物理学 2026-02-13 R. H. Ali , Meng-He Wu , Hong Guo , Xiao-Mei Kuang

In the present paper, we have investigated the motion of charged particles together with magnetic dipoles to determine how well the spacetime deviation parameter $\epsilon$ and external uniform magnetic field can mimic the spin of a…

广义相对论与量子宇宙学 · 物理学 2021-04-06 Bakhtiyor Narzilloev , Javlon Rayimbaev , Ahmadjon Abdujabbarov , Bobomurat Ahmedov , Cosimo Bambi

We study the dynamics of test particles around a magnetized Ernst black hole considering its magnetic field in the environment surrounding the black hole. We show how its magnetic field can influence the dynamics of particles and epicyclic…

广义相对论与量子宇宙学 · 物理学 2022-08-10 Sanjar Shaymatov , Mubasher Jamil , Kimet Jusufi , Kazuharu Bamba

This article explores the motion of massive particles in the gravitational field of a modified gravity (MOG) black hole (BH), characterized by the parameter $\alpha$. Using the Hamiltonian formalism, the geodesic equations and the effective…

广义相对论与量子宇宙学 · 物理学 2025-01-20 Oreeda Shabbir , Mubasher Jamil , Mustapha Azreg-Aïnou

In this paper, we investigate the motion of charged particles around the weakly magnetized Schwarzschild-like bumblebee black hole which has Lorentz symmetry breaking. Charged particles have curled orbits around the black hole which can…

广义相对论与量子宇宙学 · 物理学 2025-07-03 Hai-Yang Zhang , Ya-Peng Hu , Yu-Sen An

The dynamics of charged particle in the vicinity of event horizon of a rotating charged black hole (BH) with gravitomagnetic charge from a class of vector-tensor theories of modified gravity immersed in an axially symmetric magnetic field…

广义相对论与量子宇宙学 · 物理学 2021-10-28 Azeem Nazar , Saqib Hussain , Adnan Aslam , Takasar Hussain , Muhammad Ozair
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