English
Related papers

Related papers: Lovelock black holes in a string cloud background

200 papers

In this paper, we study existence and stability of static black holes in Lovelock theories with a particular focus on pure Lovelock black holes. We derive the equation of stability from action without using S-deformation approach. It turns…

General Relativity and Quantum Cosmology · Physics 2014-08-08 Radouane Gannouji , Naresh Dadhich

We study the stability of static spherically symmetric charged black holes under tensor type perturbations in Lovelock theory which is a natural higher dimensional generalization of Einstein theory. We derive the master equation for tensor…

General Relativity and Quantum Cosmology · Physics 2015-03-18 Tomohiro Takahashi

Lovelock theory provides a tractable model of higher-curvature gravity in which several questions can be studied analytically. This is the reason why, in the last years, this theory has become the favorite arena to study the effects of…

High Energy Physics - Theory · Physics 2016-07-20 Mariano Chernicoff , Mario Galante , Gaston Giribet , Andres Goya , Matias Leoni , Julio Oliva , Guillem Perez-Nadal

We find a class of charged black hole solutions in third order Lovelock Gravity. To obtain this class of solutions, we are not confined to the usual assumption of maximal symmetry on the horizon and will consider the solution whose boundary…

General Relativity and Quantum Cosmology · Physics 2018-04-12 N. Farhangkhah

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 study the stability of static black holes in Lovelock theory which is a natural higher dimensional generalization of Einstein theory. We derive a master equation for tensor perturbations in general Lovelock theory. It turns out that the…

General Relativity and Quantum Cosmology · Physics 2013-05-29 Tomohiro Takahashi , Jiro Soda

We source the Lovelock gravity theories indexed by an integer k and fixed by requiring a unique anti-de Sitter vacuum with a self-interacting nonminimal scalar field in arbitrary dimension d. For each inequivalent Lovelock gravity theory…

High Energy Physics - Theory · Physics 2015-06-18 Francisco Correa , Mokhtar Hassaine

As we know that the Lovelock theory is an extension of the general relativity to the higher-dimensions, in this theory the first and the second order terms correspond to the general relativity and the Einstein-Gauss-Bonnet gravity,…

General Relativity and Quantum Cosmology · Physics 2017-09-13 Sushant G. Ghosh , Muhammed Amir , Sunil D. Maharaj

We consider a model that charged static spherically-symmetric black hole is surrounded by dark fluid with nonlinear equation of state $p_d=-B/\rho_d$. We find that the energy density of the dark fluid can be characterized by two parameters.…

General Relativity and Quantum Cosmology · Physics 2019-05-21 Xiang-Qian Li , Bo Chen , Li-li Xing

The exact five-dimensional charged black hole solution in Lovelock gravity coupled to Born-Infeld electrodynamics is presented. This solution interpolates between the Hoffmann black hole for the Einstein-Born-Infeld theory and other…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Matias Aiello , Rafael Ferraro , Gaston Giribet

We perform a thorough study of the thermodynamic properties of a class of Lovelock black holes with conformal scalar hair arising from coupling of a real scalar field to the dimensionally extended Euler densities. We study the linearized…

High Energy Physics - Theory · Physics 2017-02-22 Robie A. Hennigar , Erickson Tjoa , Robert B. Mann

We examine the thermodynamics of a new class of asymptotically AdS black holes with non-constant curvature event horizons in Gauss-Bonnet Lovelock gravity, with the cosmological constant acting as thermodynamic pressure. We find that…

General Relativity and Quantum Cosmology · Physics 2022-07-08 Brayden R. Hull , Robert B. Mann

We study thermodynamics and critical behaviors of higher-dimensional Lovelock black holes with non-maximally symmetric horizons in the canonical ensemble of extended phase space. The effects from non-constancy of the horizon of the black…

General Relativity and Quantum Cosmology · Physics 2021-08-17 N. Farhangkhah , Z. Dayyani

In this work, we present a convenient method to perform the topological analysis of black hole thermodynamics. Utilizing the spinodal curve, thermodynamic critical points of a black hole are endowed with a topological quantity, Brouwer…

General Relativity and Quantum Cosmology · Physics 2023-03-29 Ning-Chen Bai , Lei Li , Jun Tao

In this paper, we obtain topological black hole solutions of third order Lovelock gravity couple with two classes of Born-Infeld type nonlinear electrodynamics with anti-de Sitter asymptotic structure. We investigate geometric and…

High Energy Physics - Theory · Physics 2015-10-22 Seyed Hossein Hendi , Ali Dehghani

Lovelock gravity consisting of the dimensionally continued Euler densities is a natural generalization of general relativity to higher dimensions such that equations of motion are still second order, and the theory is free of ghosts. A…

General Relativity and Quantum Cosmology · Physics 2018-03-14 Sushant G. Ghosh , Sunil D. Maharaj , Dharmanand Baboolal , Tae-Hun Lee

We obtain a black hole solution in the Einstein-Gauss-Bonnet theory for the string cloud model in a five dimensional spacetime. We analyze the event horizons and naked singularities. Later, we compute the Hawking temperature…

High Energy Physics - Theory · Physics 2016-08-14 Estanislao Herscovich , Martín G. Richarte

We investigate the extended phase space thermodynamics of nonsingular-AdS black holes minimally coupled to clouds of strings in which we consider the cosmological constant ($\Lambda$) as the pressure ($P$) of the black holes and its…

General Relativity and Quantum Cosmology · Physics 2022-04-14 Ashima Sood , Arun Kumar , J. K. Singh , Sushant G. Ghosh

We investigate quantum aspects of the three dimensional (BTZ) black holes. The discussions are devoted to two subjects: the thermodynamics of quantum scalar fields and the string theory in the three dimensional black hole backgrounds. We…

High Energy Physics - Theory · Physics 2008-02-03 Yuji Satoh

We obtain the metric which describes the spacetime corresponding to the Frolov black hole in the presence of a cloud of strings and discuss how this cloud affects the regularity of the solution and the energy conditions. In addition, we…

General Relativity and Quantum Cosmology · Physics 2026-01-14 F. F. Nascimento , J. C. Rocha , V. B. Bezerra , J. M. Toledo