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We investigate the thermodynamic properties of the Kerr-Bertotti-Robinson black hole, an exact Petrov type D solution of Einstein-Maxwell theory describing a rotating black hole immersed in an external electromagnetic field. While the…

广义相对论与量子宇宙学 · 物理学 2026-03-20 Li Hu , Rong-Gen Cai , Shao-Jiang Wang

In this paper, we obtain higher dimensional topological black hole solutions of Einstein-$\Lambda$ gravity in the presence of a class of nonlinear electrodynamics. First, we calculate the conserved and thermodynamic quantities of…

广义相对论与量子宇宙学 · 物理学 2015-07-13 S. H. Hendi , M. Momennia

This paper investigates the dynamical behavior of steady spherical accretion onto a static, magnetically charged black hole embedded in a perfect fluid dark matter (PFDM) background. Using the shadow observations of M87* from the Event…

高能天体物理现象 · 物理学 2026-03-11 Taiyang Zhang , Zhongyuan Qin , Qian Feng , Zheng-Wen Long

In this paper, we discuss remnants of the Bardeen regular black hole motivated by using the concept of thermal fluctuations. First, we derive the equilibrium values of various thermodynamic quantities like entropy, Hawking temperature,…

广义相对论与量子宇宙学 · 物理学 2021-09-14 Yawar H. Khan , Sudhaker Upadhyay , Prince A. Ganai

In this work, we study time-like and null geodesics in a charged black hole background immersed in perfect fluid dark matter (PFDM). Using the condition for circular geodesics, we evaluate the energy ($E$) and angular momentum ($L$) in…

广义相对论与量子宇宙学 · 物理学 2023-06-02 Anish Das , Anirban Roy Chowdhury , Sunandan Gangopadhyay

In this work, we revisit the thermodynamics of black holes endowed with primary and secondary scalar hair in the shift and ${\rm Z}_2$ symmetric subclass of beyond Horndeski gravity. Under a specific fine-tuning of the scalar parameter $q$…

广义相对论与量子宇宙学 · 物理学 2025-10-13 Yun Soo Myung , Theodoros Nakas

In this work we research on the thermodynamical properties of the Bardeen black holes. We compute the series of new thermodynamic quantities such as local temperature, heat capacity, off-shell free energy of this kind of black hole in…

高能物理 - 理论 · 物理学 2015-06-15 Jingyun Man , Hongbo Cheng

In this work, we consider a rotating charged black hole surrounded by perfect fluid dark matter. We consider the system to be immersed in non-magnetised, pressureless plasma. First, we evaluate the null geodesics in order to study the…

广义相对论与量子宇宙学 · 物理学 2022-04-06 Anish Das , Ashis Saha , Sunandan Gangopadhyay

In this work, we derive exact solutions for four-dimensional static spherically symmetric black holes and three-dimensional rotating black holes within a Lorentz-violating gravity theory. In this framework, Lorentz symmetry is spontaneously…

广义相对论与量子宇宙学 · 物理学 2025-11-20 Jia-Zhou Liu , Shan-Ping Wu , Shao-Wen Wei , Yu-Xiao Liu

We derive a rotating counterpart of the five-dimensional electrically charged Bardeen regular black holes spacetime by employing the Giampieri algorithm on static one. The associated nonlinear electrodynamics source is computed in order to…

广义相对论与量子宇宙学 · 物理学 2020-08-19 Muhammed Amir , Md Sabir Ali , Sunil D. Maharaj

In this work a static spherically symmetric black hole's solution within the Einstein-Maxwell-Yang-Mills-dilaton theory is derived. The obtained solution is examined, in particular, we have calculated the Kretschmann scalar which allowed us…

高能物理 - 理论 · 物理学 2021-03-24 M. M. Stetsko

Understanding how dark matter affects the immediate environment of black holes (BHs) is crucial for interpreting horizon-scale observations. We study rotating BHs surrounded by perfect fluid dark matter (PFDM), exploring their observable…

高能天体物理现象 · 物理学 2026-02-03 Huang Yu-Xiang , Guo Sen , Liang En-Wei , Lin Kai

This paper finds an exact singular black hole solution in the presence of nonlinear electrodynamics as the source of matter field surrounded by a cloud of strings in $4D$ $AdS$ spacetime. Here, the presence of the cloud of string, the usual…

广义相对论与量子宇宙学 · 物理学 2024-10-08 Himanshu Kumar Sudhanshu , Dharm Veer Singh , Sudhaker Upadhyay , Yerlan Myrzakulov , Kairat Myrzakulov

In this paper, we investigate the influence of perfect fluid dark matter and quantum corrections on the thermodynamics of non-linear magnetic-charged black hole. We consider the metric of the static non-linear magnetic-charged black hole in…

广义相对论与量子宇宙学 · 物理学 2024-07-02 Ragil Brand Tsafack Ndongmo , Saleh Mahamat , Thomas Bouetou , Conrad Bertrand Tabi , Timoléon Crépin Kofané

In this paper, we present a rotating de Rham-Gabadadze-Tolley black hole with a positive cosmological constant in massive gravity, achieved by applying a modified Newman-Janis algorithm. The black hole exhibits stable orbits of constant…

广义相对论与量子宇宙学 · 物理学 2023-07-28 Mohsen Fathi , J. R. Villanueva , Norman Cruz

We present a novel interpretation of the thermodynamics of perfect fluid dark matter (PFDM) black hole based on Misner-Sharp energy, and then investigate its evaporation behavior. We find that the ratio between dark sector initial density…

广义相对论与量子宇宙学 · 物理学 2023-11-09 Xiao Liang , Ya-Peng Hu , Chen-Hao Wu , Yu-Sen An

Field equations of a classical, geometric, theory of gravity, augmented with some semiclassical considerations strongly suggest that the gravitational field representing a stationary black hole can be simply described with a few…

广义相对论与量子宇宙学 · 物理学 2024-10-22 Aydin Tavlayan , Bayram Tekin

We study the method of extended gravitational decoupling in obtaining static black hole solutions satisfying Einstein's equations with a tensor vacuum. The source has quite generic characteristics and satisfies the strong energy condition.…

广义相对论与量子宇宙学 · 物理学 2023-01-25 Subhash Mahapatra , Indrani Banerjee

A static black hole with spherical symmetry is obtained and examined in the framework of Einstein-Yang-Mills-dilaton theory. The obtained black hole solution allowed us to derive and investigate entropy, temperature and heat capacity. To…

高能物理 - 理论 · 物理学 2020-07-01 M. M. Stetsko

We obtain an exact solution of spherically symmetric Letelier AdS black holes immersed in perfect fluid dark matter (PFDM). Considering the cosmological constant as the positive pressure of the system and volume as its conjugate variable,…

广义相对论与量子宇宙学 · 物理学 2024-03-26 Ashima Sood , Md Sabir Ali , J. K. Singh , Sushant G. Ghosh