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Using the brick wall regularization of 't Hooft, the entropy of non-extreme and extreme black holes is investigated in a general static, spherically symmetric spacetime. We classify the singularity in the entropy by introducing a {\it new}…

广义相对论与量子宇宙学 · 物理学 2009-11-11 M. Kenmoku , K. K. Nandi , K. Shigemoto

Earlier calculations of black hole entropy in loop quantum gravity have given a term proportional to the area with a correction involving the logarithm of the area when the area eigenvalue is close to the classical area. However the…

广义相对论与量子宇宙学 · 物理学 2014-06-25 P. Mitra

Using the corrected expression of Hawking temperature derived from the tunneling formalism beyond semiclassical approximation developed by \emph{Banerjee} and \emph{Majhi}\cite{beyond}, we calculate the corrected entropy of a high…

高能物理 - 理论 · 物理学 2009-10-31 Tao Zhu , Ji-Rong Ren , Ming-Fan Li

By using the quantum tunneling approach over semiclassical approximations, we study the quantum corrections to the Hawking temperature, entropy and Bekenstein-Hawking entropy-area relation for a black hole in an asymptotically safe gravity…

综合物理 · 物理学 2012-03-22 Mubasher Jamil , Farhad Darabi

We construct the thermodynamic geometry of $2+1$ dimensional normal (exotic) BTZ black hole regarding to the fluctuation of cosmological constant. We argue that while the thermodynamic geometry of black hole without fluctuation of…

广义相对论与量子宇宙学 · 物理学 2018-04-03 Hosein Mohammadzadeh , Maryam Rastkar , Morteza Nattagh Najafi

The role of horizon area quantization on black hole thermodynamics is investigated in this article. The coefficient appearing in the quantization of area is fixed by an appeal to the saturated form of the Landauer's principle. Then by…

广义相对论与量子宇宙学 · 物理学 2025-04-24 Arpita Jana , Manjari Dutta , Sunandan Gangopadhyay

In this paper, we investigate the thermodynamical properties of Schwarzschild-Beltrami-de Sitter black hole introduced by Mu-Lin Yan \textit{et al.} in 2013 by introducing inertial Beltrami coordinates to traditional non-inertial…

广义相对论与量子宇宙学 · 物理学 2017-08-29 Hang Liu , Xin-he Meng

The thermodynamics of black holes is shown to be directly induced by their near-horizon conformal invariance. This behavior is exhibited using a scalar field as a probe of the black hole gravitational background, for a general class of…

高能物理 - 理论 · 物理学 2009-09-29 Horacio E. Camblong , Carlos R. Ordonez

A gravitational potential in the relativistic case is introduced as an alternative to Wald's potential used by Verlinde, which reproduces the familiar entropy/area relation S=A/4 (in the natural units) when Verlinde's idea is applied to the…

高能物理 - 理论 · 物理学 2010-05-19 Yu Tian , Xiaoning Wu

It is expected that the cosmological black holes are the closest realistic solutions of gravitational theories and they evolve with time. Moreover, the natural way of defining thermodynamic entities for the stationary ones is not applicable…

广义相对论与量子宇宙学 · 物理学 2016-07-20 Krishnakanta Bhattacharya , Bibhas Ranjan Majhi

The phenomenon of black hole thermodynamics raises several deep issues which any proper theory of quantum gravity must confront: to what extent does the inclusion of the back-reaction alter the thermal character of the radiation, how can…

广义相对论与量子宇宙学 · 物理学 2016-08-31 Per Kraus

In this work, we study the thermal fluctuation, deflection angle and greybody factor of the high-dimensional Schwarzschild black hole in scalar-tensor-vector gravity (STVG). Based on the correction of black hole entropy due to thermal…

广义相对论与量子宇宙学 · 物理学 2023-07-11 Qian Li , Yu Zhang , Qi-Quan Li , Qi Sun

In this paper, We conducted an in-depth investigation into the thermodynamic topology of Einstein-Gauss-Bonnet black holes within the framework of Conformal Field Theory (CFT), considering the implications of non-extensive entropy…

广义相对论与量子宇宙学 · 物理学 2025-04-30 Mohammad Ali S. Afshar , Mohammad Reza Alipour , Saeed Noori Gashti , Jafar Sadeghi

Black hole thermodynamics suggests that a black hole should have an entropy given by a quarter of the area of its horizon. Earlier calculations in U(1) loop quantum gravity have led to a dominant term proportional to the area, but there was…

广义相对论与量子宇宙学 · 物理学 2012-05-17 P. Mitra

We discuss the first law of thermodynamics of Bardeen black hole. The presence of magnetic monopole charge modifies the energy and we define the temperature of the system accordingly. We introduce a lower cut-off to the space time by…

高能物理 - 理论 · 物理学 2020-03-27 Dharm Veer Singh , Sanjay Siwach

We discuss and compare different definitions of the entropy of a black hole. In particular we show that the thermodynamical entropy defined by the response of the free energy of a black hole to the change of temperature does not coincide…

高能物理 - 理论 · 物理学 2008-02-03 V. Frolov

Quantum effects due to conformal matter in a black hole background result in universal logarithmic corrections to black-hole entropy. The universality resides in the connection of the log term coefficient with those of type-A and type-B…

广义相对论与量子宇宙学 · 物理学 2015-06-16 R Aros , D E Diaz , A Montecinos

As pointed out in recent research, the near extremal black hole entropy with one-loop effect exhibits universal $\log T$ behavior at sufficiently low temperature. In this paper, we discuss the low-temperature quantum corrections to the…

高能物理 - 理论 · 物理学 2026-01-23 Jianfei Xu

We investigate the thermodynamic properties of stellar self-gravitating system arising from the Tsallis generalized entropy. In particular, physical interpretation of the thermodynamic instability, as has been revealed by previous…

凝聚态物理 · 物理学 2009-11-07 A. Taruya , M. Sakagami

In this paper, we present a new class of higher dimensional exact topological black hole solutions of the Brans-Dicke theory in the presence of a power-law Maxwell field as the matter source. For this aim, we introduce a conformal…

广义相对论与量子宇宙学 · 物理学 2015-11-23 M. Kord Zangeneh , M. H. Dehghani , A. Sheykhi
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