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Related papers: Super-entropy bumblebee AdS black holes

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We re-derive an exact analytic three-parameter expressions for the non-rotating metric, describing a Taub-NUT-like black hole (BH), and its associated bumblebee field that are solutions to the Einstein-bumblebee gravity. We construct a…

General Relativity and Quantum Cosmology · Physics 2025-12-10 Mustapha Azreg-Aïnou , Yassine Sekhmani

We study the extended phase space thermodynamics of black holes in massive gravity. Particularly, we examine the critical behaviour of this black hole using the extended phase space formalism. Extended phase space in a sense that in which…

General Relativity and Quantum Cosmology · Physics 2019-04-15 Parthapratim Pradhan

We have examined the thermodynamic properties for a variety of spherically symmetric charged-AdS black hole (BH) solutions, including the charged AdS BH surrounded by quintessence dark energy and charged AdS BH in $f(R)$ gravity in…

General Relativity and Quantum Cosmology · Physics 2016-08-02 Parthapratim Pradhan

In this work, we present black hole solutions with a cosmological constant in bumblebee gravity, which provides a mechanism for the Lorentz symmetry violation by assuming a nonzero vacuum expectation value for the bumblebee field. From the…

General Relativity and Quantum Cosmology · Physics 2021-02-02 R. V. Maluf , Juliano C. S. Neves

In this paper we have considered the thermodynamics of a Born-Infeld $AdS$ black hole using inputs from the dual boundary field theory. Here, we have varied the cosmological constant $\Lambda$ and the Newton's gravitational constant $G$…

General Relativity and Quantum Cosmology · Physics 2022-07-20 Neeraj Kumar , Soham Sen , Sunandan Gangopadhyay

By regarding the Newton constant $G_{N}$ and cosmological constant $\Lambda$ as variables, we in this paper study the thermodynamics and phase transition of Reissner-Nordstr$\ddot{o}$m anti-de Sitter (RN-AdS) black hole with global monopole…

High Energy Physics - Theory · Physics 2024-12-04 He-Bin Zheng , Yun-Xian Chen , Jian Tang

We consider the entropy problem of AdS_3 black holes using the conformal field theory at the horizon. We observe that the supersymmetry is enhanced at the horizon of massless AdS_3 black hole. This allows us to determine the vacuum of the…

High Energy Physics - Theory · Physics 2010-02-05 Jin-Ho Cho , Soonkeon Nam

In the thin wall approximation, we study a class of asymptotically AdS black holes which contain a spherically symmetric vacuum bubble with a different (positive or negative) cosmological constant. Collapsing, expanding, and static bubble…

High Energy Physics - Theory · Physics 2026-03-05 Roberto Auzzi , Stefano Baiguera , Lihan Guo , Giuseppe Nardelli , Nicolò Zenoni

We studied the thermodynamics of the black holes with Gauss-Bonnet correction term in $3+1-$ dimensional AdS spacetime. It is known that the term has no effect on the equation of motion, however, it modifies the entropy formula of Wald as…

General Relativity and Quantum Cosmology · Physics 2021-11-24 Neeraj Kumar , Sunandan Gangopadhyay

The thermodynamic phase space of Gauss-Bonnet (GB) AdS black holes is extended, taking the inverse of the GB coupling constant as a new thermodynamic pressure $P_{\mathrm{GB}}$. We studied the critical behavior associated with…

General Relativity and Quantum Cosmology · Physics 2014-08-19 Wei Xu , Hao Xu , Liu Zhao

We investigate the Gauss-Bonnet black hole in five dimensional anti-de Sitter spacetimes (GBAdS). We analyze all thermodynamic quantities of the GBAdS, which is characterized by the Gauss-Bonnet coupling $c$ and mass $M$, comparing with…

General Relativity and Quantum Cosmology · Physics 2008-12-18 Yun Soo Myung , Yong-Wan Kim , Young-Jai Park

In this work we investigate a Schwarzschild-type black hole that is corrected by the Generalized Uncertainty Principle (GUP) and possesses topological defects within the framework of Bumblebee gravity. Our focus is on the thermodynamic…

General Relativity and Quantum Cosmology · Physics 2023-05-16 Ronit Karmakar , Dhruba Jyoti Gogoi , Umananda Dev Goswami

A Kerr-Sen-like black hole solution appears in the Einstein-bumblebee theory of gravity. The solution contains contains a Lorentz violating parameter in an explicit manner. We study the null geodesics in the background of this Kerr-Sen-like…

General Relativity and Quantum Cosmology · Physics 2022-02-23 Sohan Kumar Jha , Sahazada Aziz , Anisur Rahaman

We consider leading order quantum corrections to the geometry of large AdS black holes in a spherical reduction of four-dimensional Einstein gravity with negative cosmological constant. The Hawking temperature grows without bound with…

High Energy Physics - Theory · Physics 2009-06-19 Samuli Hemming , Larus Thorlacius

As we know that the horizon area of a black hole will increase when it absorbs matters. While based on Barrow's idea of fractal black hole horizon, ones [Phys. Lett. B 831 (137181) 2022] had proposed that for a spherically fractal structure…

High Energy Physics - Theory · Physics 2024-10-14 Yun-Zhi Du , Qiang Gu

The phase transitions of charged Anti-de Sitter (AdS) black holes are characterized by studying null geodesics in the vicinity of the critical curve of photon trajectories around black holes as well as their optical appearance as the black…

General Relativity and Quantum Cosmology · Physics 2024-09-04 Chatchai Promsiri , Weerawit Horinouchi , Ekapong Hirunsirisawat

In the framework of extended thermodynamics, where the cosmological constant $\Lambda$ plays the role of a dynamical pressure $p$, its conjugate variable $V$ arises naturally. This makes it possible to define $C_p$ and $C_V$, the heat…

High Energy Physics - Theory · Physics 2025-02-05 Roberto Nazario

We show the existence of superradiant modes of massive scalar fields propagating in BTZ black holes when certain Robin boundary conditions, which never include the commonly considered Dirichlet boundary conditions, are imposed at spatial…

General Relativity and Quantum Cosmology · Physics 2018-01-30 Claudio Dappiaggi , Hugo R. C. Ferreira , Carlos A. R. Herdeiro

We propose a gedanken experiment on realizing thermofield double state (TFD) by using analog black holes and provide an approach to test the scrambling time. Through this approach, we demonstrate clearly how shock wave changes the TFD state…

High Energy Physics - Theory · Physics 2022-05-25 Qing-Bing Wang , Ming-Hui Yu , Xian-Hui Ge

This paper mainly aims to solve the Anti deSitter Black Holes (AdS BH) under the Barrow entropy under polytropic gas fluid, especially the Chaplygin Gas. First, we develop this last polytropic model in detail to then obtain the possible…

General Relativity and Quantum Cosmology · Physics 2025-06-24 Yassine Sekhmani , Bidyut Hazarika , P. Phukon , Alexandre Landry , Sunil K. Maurya , J. Rayimbaev