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The analogy between the laws of black hole mechanics and the laws of thermodynamics led Bekenstein and Hawking to argue that black holes should be considered as real thermodynamic systems that are characterised by entropy and temperature.…

广义相对论与量子宇宙学 · 物理学 2017-02-01 Dimitris Moustos

We construct a new exact solution in the 5D Einstein-Maxwell-dilaton gravity describing a magnetized squashed black hole. We calculate its physical characteristics, and derive the Smarr-like relations. The Hawking radiation of the solution…

高能物理 - 理论 · 物理学 2015-06-12 Petya G. Nedkova , Stoytcho S. Yazadjiev

The quantum tunneling radiation of scalar particles near the event horizon of Kerr-de Sitter black hole is investigated in three systems of coordinates namely naive coordinate system, Painleve coordinate system and Eddington coordinate…

广义相对论与量子宇宙学 · 物理学 2022-05-10 Y. Onika Laxmi , T. Ibungochouba Singh , I. Ablu MEitei

The role of torsion in quantum three-dimensional gravity is investigated by studying the partition function of the Euclidean theory in Riemann-Cartan spacetime. The entropy of the black hole with torsion is found to differ from the standard…

广义相对论与量子宇宙学 · 物理学 2009-11-11 M. Blagojevic , B. Cvetkovic

The thermodynamics of charged topological black holes (TBHs) with different horizon geometries in $d$-dimensional Einstein-Maxwell and 4-dimensional conformal gravities is revisited using the restricted phase space formalism. The concept of…

高能物理 - 理论 · 物理学 2023-09-27 Tao Wang , Zhiqiang Zhang , Xiangqing Kong , Liu Zhao

Although nonsingular spacetimes and those containing black holes are qualitatively quite different, there are continuous families of configurations that connect the two. In this paper we use self-gravitating monopole solutions as tools for…

高能物理 - 理论 · 物理学 2009-10-31 Arthur Lue , Erick J. Weinberg

Since the discovery of Hawking radiation, its consistency with quantum theory has been widely questioned. In the widely described picture, irrespective of what initial state a black hole starts with before collapsing, it eventually evolves…

广义相对论与量子宇宙学 · 物理学 2014-03-31 Baocheng Zhang , Qingyu Cai , Mingsheng Zhan , Li You

We extend our previous analysis of the modification of the spectrum of black hole radiance due to the simplest and probably most quantitatively important back-reaction effect, that is self-gravitational interaction, to the case of charged…

高能物理 - 理论 · 物理学 2010-04-06 Per Kraus , Frank Wilczek

Black hole superradiance is a powerful probe of light, weakly-coupled hidden sector particles. Many candidate particles, such as axions, generically have self-interactions that can influence the evolution of the superradiant instability. As…

高能物理 - 唯象学 · 物理学 2021-05-26 Masha Baryakhtar , Marios Galanis , Robert Lasenby , Olivier Simon

It is often convenient to view Hawking (black hole) radiation as a process of quantum tunneling. Within this framework, Kraus and Wilczek (KW) have initiated an analytical treatment of black hole emission. Notably, their methodology…

高能物理 - 理论 · 物理学 2009-11-07 A. J. M. Medved

We consider the recently proposed non-relativistic Ho\v{r}ava-Lifshitz four-dimensional theory of gravity. We study a particular limit of the theory which admits flat Minkowski vacuum and we discuss thoroughly the quadratic fluctuations…

高能物理 - 理论 · 物理学 2010-04-06 Alex Kehagias , Konstadinos Sfetsos

We study radiation from black holes in the effective theory produced by integrating gravity and the dilaton out of $1+1$ dilaton gravity. The semiclassical wavefunctions for the dressed particles show that the self-interactions produce an…

高能物理 - 理论 · 物理学 2014-11-18 Vijay Balasubramanian , Herman Verlinde

To explain black hole thermodynamics in quantum gravity, one must introduce constraints to ensure that a black hole is actually present. I show that for a large class of black holes, such ``horizon constraints'' allow the use of conformal…

广义相对论与量子宇宙学 · 物理学 2010-04-28 S. Carlip

In this short essay we review the arguments showing that black hole entropy is, at least in part, ``entanglement entropy", i.e., missing information contained in correlations between quantum field fluctuations inside and outside the event…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Ted Jacobson

The black hole combines in some sense both the ``hydrogen atom'' and the ``black-body radiation'' problems of quantum gravity. This analogy suggests that black-hole quantization may be the key to a quantum theory of gravity. During the last…

广义相对论与量子宇宙学 · 物理学 2015-06-25 Shahar Hod

We show that a surface term should be added to the Einstein-Hilbert action in order to properly describe quantum transitions occurring around a black hole. The introduction of this boundary term has been advocated by Teitelboim and…

广义相对论与量子宇宙学 · 物理学 2007-05-23 S. Massar , R. Parentani

In this paper, we would like to obtain quantum gravity effects by using Ho\v{r}ava-Lifshitz black hole. We consider logarithmic corrected thermodynamics quantities and investigate the effects of logarithmic correction term. Logarithmic…

高能物理 - 理论 · 物理学 2018-03-08 B. Pourhassan , S. Upadhyay , H. Saadat , H. Farahani

This study investigates the evaporation process of a Schwarzschild black hole, incorporating quantum corrections arising from conformal anomaly and vacuum polarization. We demonstrate that these corrections significantly alter the Hawking…

高能物理 - 理论 · 物理学 2026-05-26 Moslem Shafiee , Ahmad Sheykhi

In Einstein-aether theory, violating Lorentz invariance permits some super-luminal communications, and the universal horizon can trap excitations traveling at arbitrarily high velocities. To better understand the nature of these universal…

广义相对论与量子宇宙学 · 物理学 2017-03-28 Chikun Ding , Changqing Liu

In the language of black hole physics, Hawking radiation is one of the most controversial subjects about which there exist lots of puzzles, including the information loss problem and the question of whether this radiation is thermal or not.…

广义相对论与量子宇宙学 · 物理学 2020-04-30 Milad Hajebrahimi , Kourosh Nozari