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Related papers: Magnetized Letelier black hole in AdS spacetime

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We investigate a static, spherically symmetric black hole solution surrounded by a cloud of strings and immersed in an electromagnetic universe. By deriving the event horizon from the lapse function, we demonstrate that both the string…

General Relativity and Quantum Cosmology · Physics 2025-12-04 Ahmad Al-Badawi , Faizuddin Ahmed , İzzet Sakallı

We investigate the geodesic motion of test particles around a charged Euler-Heisenberg Anti-de Sitter black hole (CEH-AdS-BH) with a cloud of strings (CoS) and surrounded by perfect fluid dark matter (PFDM). Our analysis examines how the…

General Relativity and Quantum Cosmology · Physics 2025-09-17 Faizuddin Ahmed , Ahmad Al-Badawi , İzzet Sakallı

We derive and analyze a Schwarzschild-like Anti-de Sitter (AdS) black hole (BH) obtained as a static, spherically symmetric solution of Einstein's equations sourced by a cloud of strings (CoS) and a dark matter (DM) halo modeled by a…

General Relativity and Quantum Cosmology · Physics 2025-09-16 Faizuddin Ahmed , Abdelmalek Bouzenada , Edilberto O. Silva

This paper presents a comprehensive theoretical study of a Schwarzschild-like Anti-de Sitter (AdS) black hole (BH) influenced by a new cloud of strings (NCS) and a dark matter halo (DMH) characterized by a Dehnen-type density profile. We…

General Relativity and Quantum Cosmology · Physics 2025-09-30 Faizuddin Ahmed , Edilberto O. Silva

In this study, we investigate the geodesic motion of massless particles -- specifically photons -- in the spacetime of a charged anti-de Sitter (AdS) black hole (BH) surrounded by a cloud of strings (CoS) within the framework of Kalb-Ramond…

General Relativity and Quantum Cosmology · Physics 2026-01-21 Faizuddin Ahmed , Ahmad Al-Badawi , İzzet Sakallı

We investigate the optical and thermodynamic properties of a deformed Schwarzschild Anti-de Sitter (AdS) black hole coupled to a cloud of strings and embedded in perfect fluid dark matter. We analyze the photon sphere and the corresponding…

General Relativity and Quantum Cosmology · Physics 2026-03-04 Faizuddin Ahmed , Carlos E. Romero-Figueroa , Hernando Quevedo

This study investigates a Schwarzschild-anti de Sitter black hole coupled to a cloud of strings featuring only the electric-like component of the string bivector, embedded in a perfect fluid dark matter and a quintessence field. We examine…

General Relativity and Quantum Cosmology · Physics 2025-10-28 Faizuddin Ahmed , Edilberto O. Silva

The presence of a photon region around the black hole is an essential feature in receiving the emitted spectrum from the vicinity of the black hole by the distant observer. In this paper, we investigate the optical properties of rotating…

General Relativity and Quantum Cosmology · Physics 2022-07-26 Balendra Pratap Singh , Md Sabir Ali , Sushant~G. ~Ghosh

In a recent article (Ref. \cite{AOP}), the authors obtained a static, cylindrically symmetric Anti-de Sitter (AdS) black string (BS) solutions, which are cylindrical generalizations of black holes (BHs), surrounded by a cloud of strings…

General Relativity and Quantum Cosmology · Physics 2025-05-21 Faizuddin Ahmed , Ahmad Al-Badawi , Izzet Sakallı

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…

General Relativity and Quantum Cosmology · Physics 2024-10-08 Himanshu Kumar Sudhanshu , Dharm Veer Singh , Sudhaker Upadhyay , Yerlan Myrzakulov , Kairat Myrzakulov

We investigate the geometric and physical properties of an anti-de Sitter (AdS) black hole space-time coupled by a cloud of strings and surrounded by a quintessence-like fluid, all within the framework of non-commutative (NC) geometry. From…

General Relativity and Quantum Cosmology · Physics 2025-08-04 Faizuddin Ahmed , Allan. R. P. Moreira , Abdelmalek Bouzenada

In this work, we investigate relativistic tidal forces around a black hole sourced by a cloud of strings, described by the generalized Letelier-Alencar solution. We first review the original Letelier spacetime and its recent generalization,…

General Relativity and Quantum Cosmology · Physics 2026-03-25 Marcos V. de S. Silva , T. M. Crispim , R. R. Landim , Gonzalo J. Olmo , Diego Sáez-Chillón Gómez

Black holes in asymptotically anti-de Sitter (AdS) spacetimes have been the subject of intense scrutiny, including detailed frequency-domain analysis and full nonlinear evolutions. Remarkably, studies of linearized perturbations in the…

General Relativity and Quantum Cosmology · Physics 2015-06-23 Vitor Cardoso , Gaurav Khanna

We consider asymptotically AdS black hole solutions in presence of string clouds and higher derivative corrections. We find that it admits three black hole solutions within a region of the parameter space. In order to examine the…

High Energy Physics - Theory · Physics 2020-12-02 Tanay K. Dey , Subir Mukhopadhyay

Using the Hamilton-Jacobi method, we study certain optical shadows of rotating Bardeen-AdS black holes in the presence of internal and external field contributions. Precisely, we examine the shadow using one-dimensional real curves. By…

General Relativity and Quantum Cosmology · Physics 2022-04-13 Adil Belhaj , Hajar Belmahi , Mohamed Benali , Hasan El Moumni , Mohammed Amine Essebani , Moulay Brahim Sedra

We investigate the thermodynamic characteristics of the Reisner-Nordstrom black hole in AdS spacetime with a cloud of strinsg and perfect fluid dark matter background, employing a minor correction to the AdS radius. Although the entropy…

General Relativity and Quantum Cosmology · Physics 2025-12-23 Nazir A. Ganaie

We find that AdS spacetime with a non-trivial linear dilaton field is an exact solution in the effective action of string theory, which is described by gravity with the Gauss-Bonnet curvature terms coupled to a dilaton field in the string…

High Energy Physics - Theory · Physics 2015-03-17 Kei-ichi Maeda , Nobuyoshi Ohta , Yukinori Sasagawa

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 2021-08-13 Koichi Nagasaki

This research paper explores the interplay between quintessence and a cloud of strings, focusing on their influence on critical points, behaviors, and fractional-order phase transitions in AdS black holes. We analyze the thermodynamic…

High Energy Physics - Theory · Physics 2025-04-28 Hayat Laassiri , Ahmed Daassou , Rachid Benbrik

This work explores the shadow of a black hole within the framework of $F(R)$-ModMax gravity coupled with a cloud of strings. The Einstein field equations are solved for a nonlinear ModMax electromagnetic source in the context of $F(R)$…

General Relativity and Quantum Cosmology · Physics 2025-10-28 Ahmad Al-Badawi
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