English
Related papers

Related papers: Truncated Heat Kernel and One-Loop Determinants fo…

200 papers

We investigate the thermodynamics of $(2+1)$ dimensional BTZ black holes in the Einstein bumblebee gravity theory with spontaneous breaking of Lorentz symmetry caused by a nonzero vacuum expectation value of the vector field. We analyse…

General Relativity and Quantum Cosmology · Physics 2025-09-29 H. Kaur , Prince A Ganai

Within the framework of the "brick wall model", a novel method is developed to compute the contributions of a scalar field to the thermodynamic quantities of black holes. The relations between (transverse) momenta and frequencies in Rindler…

High Energy Physics - Theory · Physics 2015-09-23 F. Lenz , K. Ohta , K. Yazaki

In this paper, we study the quantum corrections to the thermodynamical quantities (temperature and entropy) for a Bardeen charged regular black hole by using a quantum tunneling approach over semiclassical approximations. Taking into…

General Relativity and Quantum Cosmology · Physics 2015-05-19 M. Sharif , Wajiha Javed

We study a holographic construction of quantum rotating BTZ black holes that incorporates the exact backreaction from strongly coupled quantum conformal fields. It is based on an exact four-dimensional solution for a black hole localized on…

High Energy Physics - Theory · Physics 2022-03-07 Roberto Emparan , Antonia Micol Frassino , Benson Way

The entropy of the BTZ black hole is computed in the Ponzano-Regge formulation of three-dimensional lattice gravity. It is seen that the correct semi-classical behaviour of entropy is reproduced by states that correspond to all possible…

General Relativity and Quantum Cosmology · Physics 2009-10-31 V. Suneeta , R. K. Kaul , T. R. Govindarajan

The Hessian of the entropy function can be thought of as a metric tensor on the state space. In the context of thermodynamical fluctuation theory Ruppeiner has argued that the Riemannian geometry of this metric gives insight into the…

General Relativity and Quantum Cosmology · Physics 2009-01-14 Jan Aman , Ingemar Bengtsson , Narit Pidokrajt

We obtain an exact rotating BTZ-like black hole solution by solving the corresponding gravitational field equations and the bumblebee motion equations in Einstein-bumblebee gravity theory. Result is presented for the purely radial Lorentz…

General Relativity and Quantum Cosmology · Physics 2023-07-10 Chikun Ding , Yu Shi , Jun Chen , Yuebing Zhou , Changqing Liu , Yuehua Xiao

Based on the modification to area-law due to thermal fluctuation at small horizon radius, we investigate the thermodynamics of charged quasitopological and charged rotating quasitopological black holes. In particular, we derive the…

General Relativity and Quantum Cosmology · Physics 2017-11-16 Sudhaker Upadhyay

This work presents a generalization of the rotating black hole in two plus one dimensions, in the light of scale--dependent gravitational couplings. In particular, the gravitational coupling $\kappa_0$ and the cosmological term $\Lambda_0$…

High Energy Physics - Theory · Physics 2020-02-05 Angel Rincon , Benjamin Koch

Quantum corrections are studied for a charged black hole in a two-dimensional model obtained by spherisymmetric reduction of the 4D Einstein-Maxwell theory. The classical (tree-level) thermodynamics is re-formulated in the framework of the…

High Energy Physics - Theory · Physics 2010-11-19 V. P. Frolov , W. Israel , S. N. Solodukhin

Hawking radiation can usefully be viewed as a semi-classical tunnelling process that originates at the black hole horizon. For the stationary axisymmetric BTZ black hole, a generalized Painleve coordinate system (Painleve-BTZ coordinates)…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Wenbiao Liu

Non-commutative corrections to the classical expression for the fuzzy sphere area are found out through the asymptotic expansion for its heat kernel trace. As an important consequence, some quantum gravity deviations in the luminosity of…

High Energy Physics - Theory · Physics 2015-06-11 Victor Santos , C. A. S. Silva , C. A. S. Almeida

Motivated by low energy effective action of string theory and large applications of BTZ black holes, we will consider minimal coupling between dilaton and nonlinear electromagnetic fields in three dimensions. The main goal is studying…

General Relativity and Quantum Cosmology · Physics 2017-03-13 S. H. Hendi , B. Eslam Panah , S. Panahiyan , A. Sheykhi

In this paper, we study the Hawking temperature of the BTZ black hole based on the purely topological method proposed by Robson, Villari, and Biancalana (RVB) [Phys. Rev. D 99, 044042 (2019)]. The Hawking temperature of the charged rotating…

General Relativity and Quantum Cosmology · Physics 2022-04-22 Yu-Peng Zhang , Shao-Wen Wei , Yu-Xiao Liu

The effective low temperature dynamics of near-extremal black holes is governed by the quantum fluctuations of the Schwarzian mode of JT gravity. Utilizing as a proxy a planar charged black hole in asymptotically Anti-de-Sitter spacetime,…

High Energy Physics - Theory · Physics 2024-01-26 Lucas Daguerre

The one-loop quantum corrections for BTZ black hole are considered using the dimensionally reduced 2D model. Cases of 3D minimal and conformal coupling are analyzed. Two cases are considered: minimally coupled and conformally coupled 3D…

High Energy Physics - Theory · Physics 2009-11-07 Maja Buric , Marija Dimitrijevic , Voja Radovanovic

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 lying on a brane.

General Relativity and Quantum Cosmology · Physics 2011-06-30 Mubasher Jamil , Farhad Darabi

Due to the asymptotic structure of the black hole solution, there are two different thermodynamic schemes for the charged Banados-Teitelboim-Zanelli (BTZ) black hole. In one scheme, the charged BTZ black hole is super-entropic, while in the…

General Relativity and Quantum Cosmology · Physics 2020-10-30 Zhen-Ming Xu , Bin Wu , Wen-Li Yang

We show that there is no superradiance for the Dirac field in the rotating BTZ black hole if the field vanishes at infinity. Then we outline the calculation of the expression for the renormalized energy-momentum tensor, the effective action…

General Relativity and Quantum Cosmology · Physics 2019-10-23 Leonardo Ortíz , Nora Bretón

Since the temperature of a typical Schwarzschild black hole is very low, some doubts are raised about whether the fluctuations of the black hole can be treated thermodynamically. It is shown that this is not the case: the thermodynamic…

General Relativity and Quantum Cosmology · Physics 2008-04-01 Kostyantyn Ropotenko
‹ Prev 1 3 4 5 6 7 10 Next ›