English
Related papers

Related papers: ModMax-black hole surrounded by cloud of strings i…

200 papers

In theories where the Lorentz symmetry of gravity is spontaneously broken, a non-minimally coupled bumblebee vector field acquires a nonzero vacuum expectation value, leading to modifications of standard General Relativity (GR). In this…

General Relativity and Quantum Cosmology · Physics 2026-03-11 Faizuddin Ahmed , Shubham Kala , Ahmad Al-Badawi

In this paper, we perform a detailed study of the thermodynamic properties of a charged black hole in bumblebee gravity in the presence of a global monopole. We also analyze the optical characteristics of this black hole solution,…

General Relativity and Quantum Cosmology · Physics 2026-04-02 Faizuddin Ahmed , Shubham Kala , Edilberto O. Silva

We investigate the thermodynamic properties of charged anti-de Sitter black holes surrounded by a cloud of strings in bumblebee gravity. In this framework, the cloud-of-strings parameter $\alpha$ and the Lorentz-violating parameter $\ell$…

General Relativity and Quantum Cosmology · Physics 2026-03-20 Faizuddin Ahmed , Edilberto O. Silva

We investigate the geodesic structure, shadow, thermodynamics, and Hawking radiation from a dyonic ModMax black hole in Kalb-Ramond gravity with a cloud of strings. The combined presence of ModMax nonlinear electrodynamics, the…

General Relativity and Quantum Cosmology · Physics 2026-03-13 Faizuddin Ahmed , Edilberto O. Silva

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

We investigate a ModMax black hole surrounded by perfect-fluid dark matter within the framework of Lorentz-violating Kalb-Ramond gravity. The model combines three physically distinct contributions: nonlinear electrodynamic corrections from…

General Relativity and Quantum Cosmology · Physics 2026-05-27 Fernando M. Belchior , Faizuddin Ahmed , Edilberto O. Silva

This study probes spacetime solutions within Einstein-Bumblebee gravity, a modified gravitational framework incorporating spontaneous Lorentz symmetry violation through a vector field mechanism. By introducing a cosmological constant into…

General Relativity and Quantum Cosmology · Physics 2025-08-04 Reggie C. Pantig , Shubham Kala , Ali Övgün , Nikko John Leo S. Lobos

Motivated by a new model of nonlinear electrodynamics known as Modified Maxwell (ModMax) theory, an exact analytical solution for black holes is obtained by coupling ModMax nonlinear electrodynamics and $F(R)$ gravity. Then, the effects of…

General Relativity and Quantum Cosmology · Physics 2024-02-26 Behzad Eslam Panah

We investigate the thermodynamic microstructure of electrically charged AdS black holes in Einstein-Kalb-Ramond bumblebee gravity in the presence of a spherically symmetric cloud of strings. Employing Weinhold and Ruppeiner thermodynamic…

High Energy Physics - Theory · Physics 2025-12-16 Faizuddin Ahmed , Edilberto O. Silva

In this work, we investigate the optical properties of a spherically symmetric Mod(A)Max black hole surrounded by perfect fluid dark matter, focusing on key features such as the photon sphere radius, shadow, photon trajectories, and the…

General Relativity and Quantum Cosmology · Physics 2026-02-10 Faizuddin Ahmed , Ahmad Al-Badawi , Edilberto O. Silva

This paper explores the properties of black holes using a new model of nonlinear electrodynamics called modified Maxwell (ModMax), in conjunction with nonlinear massive gravity known as dRGT-like massive gravity. We start by deriving the…

General Relativity and Quantum Cosmology · Physics 2025-07-11 B. Eslam Panah

In this work, we investigate the quantum and radiative properties of a recently proposed static bumblebee black hole arising from a general Lorentz-violating vacuum configuration. The analysis begins with the geometric structure of the…

General Relativity and Quantum Cosmology · Physics 2025-12-10 N. Heidari , A. A. Araújo Filho

In this work, we derive an exact black hole solution in higher-order curvature gravity by coupling an electromagnetic sector formulated within the ModMax framework to a quintessence dark energy component. Focusing on purely electrically…

General Relativity and Quantum Cosmology · Physics 2026-05-15 Ahmad Al-Badawi , Usman Zafar , Abdul Jawad , Kazuharu Bamba

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

In this work, we investigate in detail the thermodynamic properties of a spherically symmetric ModMax-AdS black hole sourced by a global monopole within the Kalb-Ramond gravity. We derive the key thermodynamic quantities, including the…

General Relativity and Quantum Cosmology · Physics 2026-02-18 Faizuddin Ahmed , Ahmad Al-Badawi , Edilberto O. Silva

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

In this paper, we examine the geodesic and thermodynamic properties of a Schwarzschild black hole with a cloud of strings (known as the Letelier black hole) immersed in a King dark matter (KDM) halo under an isotropic configuration. The…

General Relativity and Quantum Cosmology · Physics 2025-10-21 Faizuddin Ahmed , Edilberto O. Silva

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

In this paper, we examine the physical consequences of a recently introduced black hole solution in bumblebee gravity [1]. The geometry is first presented and then reformulated through suitable coordinate adjustments, which make its global…

General Relativity and Quantum Cosmology · Physics 2026-04-02 A. A. Araújo Filho , N. Heidari , Iarley P. Lobo , V. B. Bezerra

The study of astrophysical phenomena like black hole shadows is an effective approach to properly understand the modified gravity and explore its validity. Motivated by recent astrophysical observations, we consider a black hole (BH) in…

General Relativity and Quantum Cosmology · Physics 2025-03-20 Khadije Jafarzade , Zeynab Bazyar , Mubasher Jamil
‹ Prev 1 2 3 10 Next ›