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We study the problem of a Schwarzschild-anti-deSitter black hole in a noncommutative geometry framework, thought to be an effective description of quantum-gravitational spacetime. As a first step we derive the noncommutative geometry…

广义相对论与量子宇宙学 · 物理学 2011-09-14 Piero Nicolini , Giorgio Torrieri

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

One of the challenges of today's theoretical physics is to fully understand the connection between a geometrical object like area and a thermostatistical one like entropy, since area behaves analogously like entropy. The Bekenstein bound…

广义相对论与量子宇宙学 · 物理学 2022-11-23 Everton M. C. Abreu , Jorge Ananias Neto

We derive the statistical entropy of the Schwarzschild black hole by considering the asymptotic symmetry algebra near the $\cal{I^{-}}$ boundary of the spacetime at past null infinity. Using a two-dimensional description and the Weyl…

高能物理 - 理论 · 物理学 2009-11-11 Mariano Cadoni

In Poincar\'e gauge theory, black hole entropy is defined canonically by the variation of a boundary term $\Gamma_H$, located at horizon. For a class of static and spherically symmetric black holes in vacuum, the explicit formula reads…

广义相对论与量子宇宙学 · 物理学 2022-02-21 Milutin Blagojević , Branislav Cvetković

Using the Sharma-Mittal entropy, we study some properties of the Schwarzschild and Schwarzschild-de Sitter black holes. The results are compared with those obtained by attributing the Bekenstein entropy bound to the mentioned black holes.…

综合物理 · 物理学 2019-07-31 S. Ghaffari , H. Moradpour , A. H. Ziaie , F. Asgharian , F. Feleppa , M. Tavayef

We show the importance of the Voros product in defining a noncommutative Schwarzschild black hole. The corrected entropy/area-law is then computed in the tunneling formalism. Two types of corrections are considered; one, due to the effects…

高能物理 - 理论 · 物理学 2010-03-26 Rabin Banerjee , Sunandan Gangopadhyay , Sujoy Kumar Modak

In this article, we will discuss a Lorentzian sector calculation of the entropy of a minimally coupled scalar field in the Schwarzschild black hole background using the brick wall model of 't Hooft. In the original article, the WKB…

广义相对论与量子宇宙学 · 物理学 2016-03-08 Kaushik Ghosh

In this paper we investigate statistical entropy of a 3-dimensional rotating acoustic black hole based on generalized uncertainty principle. In our results we obtain an area entropy and a correction term associated with the noncommutative…

高能物理 - 理论 · 物理学 2015-06-19 M. A. Anacleto , F. A. Brito , E. Passos , W. P. Santos

We examine the behavior of non-commutative Schwarzschild black holes in the context of massive gravity. According to the investigation, corresponding to a minimal mass, the black hole can have two horizons, one horizon, or no horizon at…

广义相对论与量子宇宙学 · 物理学 2024-04-17 Piyali Bhar , Dhruba Jyoti Gogoi , Supakchai Ponglertsakul

We study the asymptotic quasi-normal modes for the scalar perturbation of the non-commutative geometry inspired Schwarzschild black hole in (3+1) dimensions. We have considered $M\geq M_0$, which effectively correspond to a single horizon…

高能物理 - 理论 · 物理学 2008-11-26 Pulak Ranjan Giri

Black hole thermodynamics is the area of study that seeks to reconcile the laws of thermodynamics with the existence of black hole event horizons. Here we calculate the entropy corresponding to the interior of a Schwarzschild black hole for…

综合物理 · 物理学 2019-02-28 Sandip Dutta , Ritabrata Biswas

In this paper, we used the non-commutative (NC) gauge theory of gravity to investigate the thermodynamic properties of a deformed Schwarzschild black hole (SBH). Our results present a new scenario of black hole evaporation. As a first step,…

广义相对论与量子宇宙学 · 物理学 2023-10-04 Abdellah Touati , Slimane Zaim

We study gauge theories between two parallel boundaries with non-trivial boundary conditions, which serve as a toy model for black hole background with two boundaries near the horizon and infinite, aiming for a better understanding of the…

高能物理 - 理论 · 物理学 2023-07-07 Peng Cheng

In this paper we study the effects of noncommutative phase space deformations on the Schwarzschild black hole. This idea has been previously studied in {Friedmann-Robertson-Walker (FRW)} cosmology, where this "noncommutativity" provides a…

广义相对论与量子宇宙学 · 物理学 2017-04-05 A. Crespo-Hernandez , E. Mena , M. Sabido

In the spirit of Black Hole Complementary Principle, we have found the noncommutative membrane of Scharzchild Black Holes. In this paper we extend our results to Kerr Black Hole and see the same story. Also we make a conjecture that…

高能物理 - 理论 · 物理学 2007-05-23 Zen Wei

We compute the entropy of systems of quantum particles satisfying the fractional exclusion statistics in the space-time of 2+1 dimensional black hole by using the brick-wall method. We show that the entropy of each effective quantum field…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Hyeong-Chan Kim , Yoonbai Kim , Phillial Oh

Here we examine the quantum-mechanical decay of a Schwarzschild-like black hole, formed by gravitational collapse, into almost-flat space-time and weak radiation at a very late time, in order to evaluate quantum amplitudes (not just…

广义相对论与量子宇宙学 · 物理学 2007-05-23 A. N. St. J. Farley , P. D. D'Eath

We study the bound state solutions for the polar perturbations in the interior of the Schwarzschild black hole. It is shown that for a given value of the spherical harmonic index $\ell$, there are a total of $\ell-1$ bound states for polar…

广义相对论与量子宇宙学 · 物理学 2025-12-01 Hassan Firouzjahi , Kazem Rezazadeh , Masoud Molaei

In our earlier paper "Corrections to the Bekenstein-Hawking entropy and the Hawking radiation spectrum", arXiv:0910.2755, we provided two concrete numerical evidences for the new area spectrum based on the Einstein-Kaufman pseudo tensor as…

综合物理 · 物理学 2011-07-21 Brian Kong , Youngsub Yoon