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相关论文: Particle dynamics and shadow of a regular non-mini…

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In this paper we obtain an effective metric describing a regular and rotating magnetic black hole (BH) solution with a Yang-Mills electromagnetic source in Einstein-Yang-Mills (EYM) theory using the Newman--Janis algorithm via the…

广义相对论与量子宇宙学 · 物理学 2021-01-08 Kimet Jusufi , Mustapha Azreg-Aïnou , Mubasher Jamil , Shao-Wen Wei , Qiang Wu , Anzhong Wang

We study the motion of uncharged particles and photons in the background of a magnetically charged Euler-Heisenberg (EH) black hole (BH) with scalar hair. The spacetime can be asymptotically (A)dS or flat. After investigating particle…

广义相对论与量子宇宙学 · 物理学 2024-06-12 Dionysios P. Theodosopoulos , Thanasis Karakasis , George Koutsoumbas , Eleftherios Papantonopoulos

The null geodesics of the regular and rotating magnetically charged black hole in a non-minimally coupled Einstein-Yang-Mills theory surrounded by a plasma medium is studied. The effect of magnetic charge and Yang-Mills parameter on the…

广义相对论与量子宇宙学 · 物理学 2022-07-25 Shubham Kala , Hemwati Nandan , Prateek Sharma

In this paper, we investigate the optical properties of a black hole in non-minimal Einstein-Yang-Mills theory, illuminated by a thin accretion disk. In our setup, matter follows stable circular orbits outside the innermost stable circular…

广义相对论与量子宇宙学 · 物理学 2026-03-03 Tian-Yu Chen , Yong-Zhuang Li , Xiao-Mei Kuang

In this work, we test the geometrical structure and thermodynamic properties of the Einstein-Maxwell-Power-Yang-Mills black hole (BH) models, which constitute a nonlinear generalization of the standard Einstein-Yang-Mills theory through the…

广义相对论与量子宇宙学 · 物理学 2026-03-10 Abdelmalek Bouzenada , Allan. R. P. Moreira , Shi-Hai Dong , Guo-Hua Sun , Muhammad Sharif

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

This study investigates the thermodynamic and quantum properties of Einstein-Power-Yang-Mills (EPYM) black holes in an Anti-de Sitter background, focusing on the effects of the nonlinear Yang-Mills charge parameter $\gamma$. We derive the…

综合物理 · 物理学 2026-03-24 Erdem Sucu , İzzet Sakallı

The Event Horizon Telescope (EHT) imaging of the supermassive black holes at the centers of Messier 87 galaxy and the Milky Way galaxy marks a significant step in observing the photon rings and central brightness depression that define the…

高能天体物理现象 · 物理学 2024-11-14 Soroush Zare , Luis M. Nieto , Xing-Hui Feng , Shi-Hai Dong , Hassan Hassanabadi

In this paper, we study the particle dynamics, shadow, and optical appearance of charged black holes (BHs) in bumblebee gravity. Firstly, we find that the Lorentz-violation parameter l and charge parameter Q have opposite effects on the…

广义相对论与量子宇宙学 · 物理学 2025-07-03 Mou Xu , Jianbo Lu , Ruonan Li , Yu Liu , Shu-Min Wu

Extreme mass ratio inspirals (EMRIs), as a core target for future space-based gravitational wave detection, offer crucial observational grounds for testing strong-field gravitational theories and classifying black holes through their…

广义相对论与量子宇宙学 · 物理学 2026-03-10 Xiuqin He , Zhaoyi Xu , Meirong Tang

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 field equations along with a quintessential field. We…

广义相对论与量子宇宙学 · 物理学 2022-02-24 Javlon Rayimbaev , Bushra Majeed , Mubasher Jamil , Kimet Jusufi , Anzhong Wang

We consider electromagnetic fields and charged particle dynamics around non-singular black holes in conformal gravity immersed in an external, asymptotically uniform magnetic field. First, we obtain analytic solutions of the electromagnetic…

广义相对论与量子宇宙学 · 物理学 2020-11-24 Bakhtiyor Narzilloev , Javlon Rayimbaev , Ahmadjon Abdujabbarov , Cosimo Bambi

We study the optical properties of spacetime around a novel regular black hole (BH) in general relativity (GR) coupled to nonlinear electrodynamics (NED), which is asymptotically flat. First, we study the angular velocity and Lyapunov…

广义相对论与量子宇宙学 · 物理学 2023-12-04 Muhammad Ali Raza , Furkat Sarikulov , Javlon Rayimbaev , Muhammad Zubair , Bobomurat Ahmedov , Zdenek Stuchlik

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

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

In this paper, we explore the test particle motion around a black hole in Einstein-Maxwell-scalar (EMS) theory using three different black hole solutions within this theory. We have first analyzed the spacetime curvature structure of these…

广义相对论与量子宇宙学 · 物理学 2020-10-07 Bobur Turimov , Javlon Rayimbayev , Ahmadjon Abdujabbarov , Bobomurat Ahmedov , Zdeněk Stuchlík

In this paper, we investigate the dynamics of particles in the background of non-rotating Konoplya and Zhidenko black hole that is immersed in an external uniform magnetic field. The work involves circular motion of electric and magnetic…

广义相对论与量子宇宙学 · 物理学 2022-04-11 Aqeela Razzaq , Rehana Rahim

We study the geodesic motion of uncharged particles in the background of a magnetically charged Euler-Heisenberg black hole with a scalar hair. The spacetime can be asymptotically (A)dS or flat and we find, analysing the behavior of the…

广义相对论与量子宇宙学 · 物理学 2023-11-06 Thanasis Karakasis , George Koutsoumbas , Eleftherios Papantonopoulos

We study the nature of particle geodesics around a non-linear electrodynamic black hole (NLED-BH) inspired by the confinement of a heavy quark-antiquark system, which reduces to Maxwell's linear electrodynamics theory at the strong field…

广义相对论与量子宇宙学 · 物理学 2025-10-02 Hari Prasad Saikia , Mrinnoy M. Gohain , Kalyan Bhuyan

We investigate the dynamics of a charged particle being kicked off from its circular orbit around a regular black hole by an incoming massive particle in the presence of magnetic field. The resulting escape velocity, escape energy and the…

广义相对论与量子宇宙学 · 物理学 2016-11-23 Abdul Jawad , Farhad Ali , Mubasher Jamil , Ujjal Debnath
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