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Related papers: Magnetized Letelier black hole in AdS spacetime

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We investigate the behavior of the deflection of light rays by charged and rotating AdS black holes using the Gauss-Bonnet formalism. Taking weak field approximations and certain appropriate limits associated with AdS geometries, we compute…

High Energy Physics - Theory · Physics 2022-01-19 A. Belhaj , H. Belmahi , M. Benali

In this work we consider a spacial kind of spacetime called AdS accelerating black holes. This is a kind of black holes which contain a stringlike singularity along polar axises attached to the black hole and it accelerates the black hole.…

High Energy Physics - Theory · Physics 2023-05-10 Koichi Nagasaki

In the five-dimensional Einstein gravity with negative cosmological constant in the presence/absence of a {\it non-fine-tuned} 3-brane, we have investigated the classical stability of black string solutions which are foliations of…

High Energy Physics - Theory · Physics 2014-11-18 Takayuki Hirayama , Gungwon Kang

We construct a new class of Einstein-Maxwell static solutions with a magnetic field in $D$-dimensions (with $D\geq 5$ an odd number), approaching at infinity a globally Anti-de Sitter (AdS) spacetime. In addition to the mass, the new…

General Relativity and Quantum Cosmology · Physics 2016-12-14 Jose Luis Blázquez-Salcedo , Jutta Kunz , Francisco Navarro-Lérida , Eugen Radu

In this work, we observe that in the presence of the string cloud parameter $a$ and the quintessence parameter $\gamma$, with the equation of state parameter $\omega_q={-2}/{3}$ the radius of the shadow of the Schwarzschild black hole…

General Relativity and Quantum Cosmology · Physics 2022-12-01 Ghulam Mustafa , Farruh Atamurotov , Ibrar Hussain , Sanjar Shaymatov , Ali Övgün

In this work, we investigate the shadow cast and strong field gravitational lensing of a new class of black hole solutions in dilaton gravity where dilaton field is coupled with nonlinear Maxwell invariant [Younesizadeh et al. in Int J Mod…

High Energy Physics - Theory · Physics 2022-06-14 Younes Younesizadeh , Feyzollah Younesizadeh , Mohammad M. Qaemmaqami

We analyze gravitational lensing, in particular the shadow and photon rings, in the Ernst spacetime, also known as the Schwarzschild-Melvin spacetime, which describes a Schwarzschild black hole immersed in a homogenous magnetic field.…

General Relativity and Quantum Cosmology · Physics 2025-12-30 Muhammad Haider Khan , Volker Perlick

This manuscript investigates a Schwarzschild black hole surrounded by perfect fluid dark matter embedded in a cloud of strings. The effects of its surroundings on thermodynamics, timelike and null geodesics, shadows, and quasinormal modes…

General Relativity and Quantum Cosmology · Physics 2025-03-28 Bilel Hamil , Bekir Can Lütfüoğlu

Inspired by Loop Quantum Gravity (LQG), we investigate the Reissner-Nordstr\"om (RN) black hole (BH) solution coupled with a cloud of strings in an anti-de Sitter (AdS) background, surrounded by a quintessence-like fluid. We begin by…

General Relativity and Quantum Cosmology · Physics 2025-08-15 Faizuddin Ahmed , Abdelmalek Bouzenada

We study gravitational perturbations sourced by a rotating test shell collapsing into five-dimensional Myers-Perry black holes in anti-de Sitter (AdS). Our attention is restricted to the case in which the two possible angular momenta of the…

General Relativity and Quantum Cosmology · Physics 2014-05-26 Jorge V. Rocha , Raphael Santarelli , Térence Delsate

We study black strings/funnels and other black hole configurations in AdS that correspond to different phases of the dual CFT in black hole backgrounds, employing different approaches at large $D$. We assemble the phase diagram of uniform…

High Energy Physics - Theory · Physics 2023-01-18 David Licht , Ryotaku Suzuki , Benson Way

In this study, we investigate the geodesic structure, gravitational lensing/mirroring phenomena, and scalar perturbations of deformed AdS-Schwarzschild black holes with global monopoles, incorporating both ordinary and phantom…

General Relativity and Quantum Cosmology · Physics 2025-03-18 Faizuddin Ahmed , Ahmad Al-Badawi , İzzet Sakallı

We investigate the properties of a charged rotating black string immersed in a Kiselev anisotropic fluid in anti-de Sitter (AdS) spacetime. The Einstein-Maxwell equations with an anisotropic stress-energy tensor and cosmological constant…

General Relativity and Quantum Cosmology · Physics 2025-12-10 Leonardo G. Barbosa , Victor Hugo M. Ramos , Luis Cesar N. dos Santos , Celso C. Barros

We construct a new family of regular black hole solutions supported by the novel Letelier-Alencar string cloud and regularized through a rational Dagum-type distribution. The regulator smooths the matter profile and ensures finite curvature…

We analyze the gravitational perturbations induced by particles falling into a three dimensional, asymptotically AdS black hole geometry. More specifically, we solve the linearized perturbation equations obtained from the geodesic motion of…

General Relativity and Quantum Cosmology · Physics 2011-06-02 Jorge V. Rocha , Vitor Cardoso

We study the instability of higher-dimensional rotating anti-de Sitter black holes through fragmentation. Fragmentation occurs when black holes rotate too fast to sustain their horizon, and then the black holes are broken into small pieces.…

General Relativity and Quantum Cosmology · Physics 2015-03-18 Bogeun Gwak , Bum-Hoon Lee

Unification of gravity with other interactions, achieving the ultimate framework of quantum gravity, and fundamental problems in particle physics and cosmology motivate to consider extra spatial dimensions. The impact of these extra…

General Relativity and Quantum Cosmology · Physics 2023-07-12 Kourosh Nozari , Sara Saghafi

Motivated by the effect of the energy of moving particles in $C-$metric, we first obtain exact accelerating black hole solutions in gravity's rainbow. Then, we study the effects of gravity's rainbow and $C-$metric parameters on the Ricci…

General Relativity and Quantum Cosmology · Physics 2024-03-18 B. Eslam Panah , S. Zare , H. Hassanabadi

In this paper, we consider a charged AdS/dS black hole (BH) in $R^{2}$ gravity and study its optical features, including the shadow's geometrical shape and the energy emission rate. Additionally, we look for criteria to restrict the free…

General Relativity and Quantum Cosmology · Physics 2025-03-05 Khadije Jafarzade , Sanjar Shaymatov , Mubasher Jamil

We focus on the study of the exact solution corresponding to charged AdS black holes surrounded by quintessence with a cloud of strings present in higher dimensional spacetime. We then investigate its corresponding thermodynamic criticality…

High Energy Physics - Theory · Physics 2020-09-02 M. Chabab , S. Iraoui