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Related papers: Adiabatic evolution of Hayward black hole

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We consider the Cauchy problem for doubly non-linear degenerate parabolic equations on Riemannian manifolds of infinite volume, or in $\R^N$. The equation contains a weight function as a capacitary coefficient which we assume to decay at…

Analysis of PDEs · Mathematics 2019-05-28 Daniele Andreucci , Anatoli F. Tedeev

We discuss a sufficiently large 4-dimensional Schwarzschild black hole which is in equilibrium with a heat bath. In other words, we consider a black hole which has grown up from a small one in the heat bath adiabatically. We express the…

High Energy Physics - Theory · Physics 2015-06-03 Hikaru Kawai , Yuki Yokokura

The Schwarzschild, Schwarzschild-AdS, and Schwarzschild-de Sitter solutions all admit freely acting discrete involutions which commute with the continuous symmetries of the spacetimes. Intuitively, these involutions correspond to the…

High Energy Physics - Theory · Physics 2008-11-26 Andrew Chamblin , Jeremy Michelson

Recent astrophysical observations suggest that the value of fine structure constant $\alpha=e^2/\hbar c$ may be slowly increasing with time. This may be due to an increase of $e$ or a decrease of $c$, or both. In this article, we argue from…

High Energy Physics - Theory · Physics 2014-11-18 Saurya Das , Gabor Kunstatter

In this paper, the new formalism of thermodynamic geometry proposed in [1] is employed in investigating phase transition points and the critical behavior of a Gauss Bonnet-AdS black hole in four dimensional spacetime. In this regard,…

General Relativity and Quantum Cosmology · Physics 2021-02-15 Seyed Ali Hosseini Mansoori

Exploiting the five-dimensional Schwarzschild black hole, we study the geometrical natures of the higher dimensional black hole to yield the (6+1) dimensional global embedding Minkowski space structure. We next obtain the Hawking…

General Relativity and Quantum Cosmology · Physics 2015-06-12 Soon-Tae Hong

In this paper, the thermodynamic property of charged AdS black holes is studied in rainbow gravity. By the Heisenberg Uncertainty Principle and the modified dispersion relation, we obtain deformed temperature. Moreover, in rainbow gravity…

General Relativity and Quantum Cosmology · Physics 2019-01-04 Ping Li , Miao He , Jia-Cheng Ding , Xian-Ru Hu , Jian-Bo Deng

The thermal properties of black holes in the presence of quantum fields can be revealed through solutions of the semi-classical Einstein equation. We present a brief but self-contained review of the main features of the semi-classical back…

General Relativity and Quantum Cosmology · Physics 2022-04-13 David Hochberg

We study new classes three dimensional black hole solutions of Einstein equations written in two holonomic and one anholonomic variables with respect to anholonomic frames Thermodynamic properties of such (2+1)-black holes with generic…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Sergiu I. Vacaru , Panayiotis Stavrinos , Denis Gontsa

In this paper, we thoroughly explore two crucial aspects of a quantum Schwarzschild black solution within four-dimensional space-time: i) the weak deflection angle, ii) the rigorous greybody factor and, iii) the Dirac quasinormal modes}.…

General Relativity and Quantum Cosmology · Physics 2024-09-18 Ángel Rincón , Ali Övgün , Reggie C. Pantig

In this paper, we construct a new class of topological black hole Lifshitz solutions in the presence of nonlinear exponential electrodynamics for Einstein-dilaton gravity. We show that the reality of Lifshitz supporting Maxwell matter…

High Energy Physics - Theory · Physics 2016-03-15 M. Kord Zangeneh , A. Dehyadegari , A. Sheykhi , M. H. Dehghani

We explore the modified thermodynamics of a Hayward-Anti de Sitter (H-AdS) black hole in atypical conditions, incorporating a string fluid, Hayward regularisation, and quantum entropy corrections. Our analysis reveals a first-order phase…

General Relativity and Quantum Cosmology · Physics 2025-10-07 Shyamalee Bora , Dhruba Jyoti Gogoi , Pralay Kumar Karmakar

The thermodynamic properties of the Ba\~nados-Teitelboim-Zanelli (BTZ) black hole endowed with Korteweg-de Vries (KdV)-type boundary conditions are considered. This familiy of boundary conditions for General Relativity on AdS$_{3}$ is…

High Energy Physics - Theory · Physics 2020-01-08 Cristián Erices , Miguel Riquelme , Pablo Rodríguez

We investigate the behavior of a noncommutative radiating Schwarzschild black hole. It is shown that coordinate noncommutativity cures usual problems encountered in the description of the terminal phase of black hole evaporation. More in…

General Relativity and Quantum Cosmology · Physics 2010-04-06 Piero Nicolini , Anais Smailagic , Euro Spallucci

In this work, we investigate the thermodynamic properties of rotational Kiselev black holes (KBH). Specifically, we use the first-order approximation of the event horizon (EH) to calculate thermodynamic properties for general equations of…

General Relativity and Quantum Cosmology · Physics 2020-01-14 Zhaoyi Xu , Yi Liao , Jiancheng Wang

The thermodynamics of Maxwell-Dilaton (dirty) black holes has been extensively studied. It has served as a fertile ground to test ideas about temperature through various definitions of surface gravity. In this paper, we make an independent…

General Relativity and Quantum Cosmology · Physics 2013-10-02 C S Lopez-Monsalvo , F Nettel , H Quevedo

In this paper, the phase structure of the Hayward-AdS black hole (BH) is studied using shadow formalism. It has been found that the shadow radius is a monotonic function of the horizon radius and can therefore play an equivalent role to the…

General Relativity and Quantum Cosmology · Physics 2023-05-03 Zhi Luo , Hao Yu , Shuo Cao , Jin Li

We investigate the thermodynamic properties of a Schwarzschild-AdS black hole within the framework of noncommutative geometry. We derive and analyze the black hole's thermodynamic functions, showing that they depend critically on the…

General Relativity and Quantum Cosmology · Physics 2026-05-08 Slimane Zaim , Fatma Zohra Bara , Mohamed Aimen Larbei

We obtain an exact spherically symmetric and magnetically charged black hole solution in 4D Einstein-Gauss-Bonnet gravity coupled with nonlinear electrodynamics with the Lagrangian ${\cal L}_{NED} = -{\cal F}/(1+\sqrt{2\mid\beta{\cal…

General Relativity and Quantum Cosmology · Physics 2021-04-19 S. I. Kruglov

Black hole thermodynamics in Lorentz-violating gravity is subtle because different excitations propagate at different speeds and hence identify different causal horizons. We revisit Einstein--AEther gravity using the covariant phase space…

General Relativity and Quantum Cosmology · Physics 2026-04-01 Walter Arata , Stefano Liberati , Giulio Neri