English
Related papers

Related papers: Particle dynamics and shadow of a regular non-mini…

200 papers

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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Physics · Physics 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…

High Energy Astrophysical Phenomena · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 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…

General Relativity and Quantum Cosmology · Physics 2016-11-23 Abdul Jawad , Farhad Ali , Mubasher Jamil , Ujjal Debnath
‹ Prev 1 2 3 10 Next ›