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Related papers: Magnetized Letelier black hole in AdS spacetime

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Motivated by recent work on rotating black hole shadow [Phys. Rev. D101, 084029 (2020)], we investigate the shadow behaviors of rotating Hayward-de Sitter black hole for static observers at a finite distance in terms of astronomical…

General Relativity and Quantum Cosmology · Physics 2020-12-29 Peng-Zhang He , Qi-Qi Fan , Hao-Ran Zhang , Jian-Bo Deng

We construct a generalization of the AdS charged rotating black holes with two equal magnitude angular momenta in five-dimensional minimal gauged supergravity. In addition to the mass, electric charge and angular momentum, the new solutions…

General Relativity and Quantum Cosmology · Physics 2017-05-31 Jose Luis Blázquez-Salcedo , Jutta Kunz , Francisco Navarro-Lérida , Eugen Radu

We study the motion of a string in the background of Reissner-Nordstrom black hole, in both AdS as well as asymptotically flat spacetimes. We describe the phase space of this dynamical system through largest Lyapunov exponent, Poincare…

High Energy Physics - Theory · Physics 2017-03-29 Pallab Basu , Pankaj Chaturvedi , Prasant Samantray

In this paper, we study the thermodynamic features of a non-linear magnetic-charged AdS black hole surrounded by quintessence, in the background of perfect fluid dark matter(PFDM). After having constructed the corresponding metric, we…

General Relativity and Quantum Cosmology · Physics 2023-08-08 Ragil Brand Ndongmo , Saleh Mahamat , Thomas Bouetou Bouetou , Conrad Bertrand Tabi , Timoleon Crepin Kofane

We present an investigation of a static, spherically symmetric Letelier black hole (BH) immersed in an electromagnetic universe (EMU), characterized by the cloud of strings (CoS) parameter $\alpha$ and the EMU parameter $a$. The photon…

General Relativity and Quantum Cosmology · Physics 2025-12-23 İzzet Sakallı , Erdem Sucu , Ahmad Al-Badawi , Faizuddin Ahmed

We study the shadow behaviors of five dimensional (5D) black holes embedded in type IIB superstring/supergravity inspired spacetimes by considering solutions with and without rotations. Geometrical properties as shapes and sizes are…

High Energy Physics - Theory · Physics 2020-12-23 A. Belhaj , H. Belmahi , M. Benali , W. El Hadri , H. El Moumni , E. Torrente-Lujan

We start a systematic study of string theory in AdS_3 black hole backgrounds. Firstly, we analyse in detail the geodesic structure of the BTZ black hole, including spacelike geodesics. Secondly, we study the spectrum for massive and…

High Energy Physics - Theory · Physics 2009-11-07 Jan Troost

Thermodynamics of magnetically charged black holes in Anti-de Sitter space in an extended phase space is studied. The cosmological constant is considered as a pressure and the black hole mass is treated as the chemical entalpy. The black…

General Physics · Physics 2023-01-03 S. I. Kruglov

We construct solutions for thin black rings in Anti-deSitter and deSitter spacetimes using approximate methods. Black rings in AdS exist with arbitrarily large radius and satisfy a bound |J| \leq LM, which they saturate as their radius…

High Energy Physics - Theory · Physics 2009-12-10 Marco M. Caldarelli , Roberto Emparan , Maria J. Rodriguez

In this paper, we explore the effect of non-linear electrodynamics (NLED) parameters and magnetic charges on various aspects of black holes, like how they bend light, how they emit radiation, and how they appear as a shadow by considering a…

General Relativity and Quantum Cosmology · Physics 2024-06-11 Akhil Uniyal , Sayan Chakrabarti , Reggie C. Pantig , Ali Övgün

In this paper, we investigate the optical properties of a charged black hole in Einstein-Maxwell-scalar (EMS) theory. We evaluate the shadow cast by the black hole and obtain analytical solutions for both the radius of the photon sphere and…

General Relativity and Quantum Cosmology · Physics 2024-07-29 Ahmad Al-Badawi , Mirzabek Alloqulov , Sanjar Shaymatov , Bobomurat Ahmedov

We analyze the quantum process in which a cosmic string breaks in an anti-de Sitter (AdS) background, and a pair of charged or neutral black holes is produced at the ends of the strings. The energy to materialize and accelerate the pair…

High Energy Physics - Theory · Physics 2016-09-06 Oscar J. C. Dias

We introduce the Lense-Thirring Acoustic Black Hole (LTABH), motivated by the relevance of analogue models for black holes embedded in various physical systems, such as the cosmological microwave background or quantum superfluids. We…

General Relativity and Quantum Cosmology · Physics 2026-01-05 Anas El Balali , Alessio Marrani

In this paper, with an appropriate combination of three Liouville-type dilaton potentials, we obtain the higher dimensional charged slowly rotating dilaton black hole solution for asymptotically anti-de Sitter spacetime. The angular…

General Relativity and Quantum Cosmology · Physics 2008-11-26 A. Sheykhi , M. Allahverdizadeh

We investigate Schwarzschild black holes in anti-de Sitter (AdS) spacetimes surrounded by a cloud of strings (BH-AdS-CoS), incorporating both electric- and magnetic-like components of the string bi-vector. Thermodynamically, these systems…

General Relativity and Quantum Cosmology · Physics 2025-08-08 Arun Kumar , Qiang Wu , Tao Zhu , Sushant G. Ghosh

We investigate the thermodynamic behavior of a spherically symmetric Anti-de Sitter black hole in Mod(A)Max electrodynamics surrounded by a cloud of strings. Within the extended phase-space framework, we treat the cosmological constant as a…

General Physics · Physics 2026-02-24 Faizuddin Ahmed , Ahmad Al-Badawi , Edilberto O. Silva

Gravity models given by higher-order scalar curvature corrections are believed to bear important consequences. The Einstein-Bel-Robinson gravity, with quartic curvature modification, motivated Sajadi et al to explore static spherically…

General Relativity and Quantum Cosmology · Physics 2024-04-11 B. Hamil , B. C. Lütfüoğlu

The investigation on higher-dimensional AdS black holes is of great importance under the light of AdS/CFT correspondence. In this work we study static and rotating, uncharged and charged, AdS black holes in higher-dimensional $f(T)$…

General Relativity and Quantum Cosmology · Physics 2019-06-14 G. G. L. Nashed , Emmanuel N. Saridakis

We investigate the thermodynamics, criticality, and selected radiative and optical properties of an Euler-Heisenberg AdS black hole surrounded by quintessence, perfect fluid dark matter, and a cloud of strings. Within the extended…

General Relativity and Quantum Cosmology · Physics 2026-04-29 Faizuddin Ahmed , Edilberto O. Silva

Motivated by the possibility of formulating a strings/black hole correspondence in AdS space, we extract the Hagedorn behavior of thermal AdS_3 bosonic string from 1-loop partition function of SL(2,R) WZW model. We find that the Hagedorn…

High Energy Physics - Theory · Physics 2009-04-17 Feng-Li Lin , Toshihiro Matsuo , Dan Tomino
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