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We study the corrections to the entropy of Einstein-Maxwell dilaton-axion black holes beyond semiclassical approximations. We consider the entropy of the black hole as a state variable and derive these corrections using the exactness…

广义相对论与量子宇宙学 · 物理学 2011-03-25 M. Akbar , K. Saifullah

Hawking radiation from a black hole can be viewed as quantum tunneling of particles through the event horizon. Using this approach we provide a general framework for studying corrections to the entropy of black holes beyond semiclassical…

广义相对论与量子宇宙学 · 物理学 2015-05-18 M. Akbar , K. Saifullah

The entropy of a black hole can differ from a quarter of the area of the horizon because of quantum corrections. The correction is related to the contribution to the Euclidean functional integral from quantum fluctuations but is not simply…

广义相对论与量子宇宙学 · 物理学 2014-11-17 A. Ghosh , P. Mitra

The first quantum corrections to the free energy for an eternal 4-dimensional black hole is investigated at one-loop level, in the large mass limit of the black hole, making use of the conformal techniques related to the optical metric. The…

高能物理 - 理论 · 物理学 2010-04-06 Guido Cognola , Luciano Vanzo , Sergio Zerbini

We give a new and conceptually simple approach to obtain the first law of black hole thermodynamics from a basic thermodynamical property that entropy (S) for any stationary black hole is a state function implying that dS must be an exact…

高能物理 - 理论 · 物理学 2009-07-09 Rabin Banerjee , Sujoy Kumar Modak

In this paper, we study quantum corrections to the temperature and entropy of a regular Ay\'{o}n-Beato-Garc\'{\i}a-Bronnikov black hole solution by using tunneling approach beyond semiclassical approximation. We use the first law of black…

广义相对论与量子宇宙学 · 物理学 2015-05-30 M. Sharif , Wajiha Javed

The quantum corrections to the entropy of charged black holes are calculated. The Reissner-Nordstrem and dilaton black holes are considered. The appearance of logarithmically divergent terms not proportional to the horizon area is…

高能物理 - 理论 · 物理学 2011-05-05 S. N. Solodukhin

We study the entropy of Kerr-Sen black hole of heterotic string theory beyond semiclassical approximations. Applying the properties of exact differentials for three variables to the first law thermodynamics we derive the corrections to the…

广义相对论与量子宇宙学 · 物理学 2015-05-18 Alexis Larranaga

The first quantum corrections to the entropy for an eternal 4-dimensional extremal Reissner-Nordstr\"om black hole is investigated at one-loop level, in the large mass limit of the black hole, making use of the conformal techniques related…

高能物理 - 理论 · 物理学 2009-10-28 G. Cognola , L. Vanzo , S. Zerbini

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…

广义相对论与量子宇宙学 · 物理学 2015-05-19 M. Sharif , Wajiha Javed

Symmetry based approaches to the black hole entropy problem have a number of attractive features; in particular they are very general and do not depend on the details of the quantization method. However we point out that, of the two…

高能物理 - 理论 · 物理学 2009-11-07 Olaf Dreyer , Amit Ghosh , Jacek Wisniewski

We extend the study of corrected thermodynamics for the 3D black holes conformally coupled to scalar field up to non-perturbative level. We calculate the exponential correction to entropy arises due to the microstate counting for quantum…

广义相对论与量子宇宙学 · 物理学 2024-04-17 Saheb Soroushfar , Hoda Farahani , Sudhaker Upadhyay

In this paper we consider the generalized uncertainty principle in the tunneling formalism via Hamilton-Jacobi method to determine the quantum-corrected Hawking temperature and entropy for 2+1-dimensional noncommutative acoustic black…

高能物理 - 理论 · 物理学 2015-02-03 M. A. Anacleto , F. A. Brito , G. C. Luna , E. Passos , J. Spinelly

We compute leading order corrections to the entropy of any thermodynamic system due to small statistical fluctuations around equilibrium. When applied to black holes, these corrections are shown to be of the form $-k\ln(Area)$. For BTZ…

高能物理 - 理论 · 物理学 2014-11-18 Saurya Das , Parthasarathi Majumdar , Rajat K. Bhaduri

In this paper, we have investigated the thermodynamics of Schwarzschild black holes using the symmetric generalized uncertainty principle which contains correction terms involving momentum and position uncertainty. We obtain the…

广义相对论与量子宇宙学 · 物理学 2016-05-11 Abhijit Dutta , Sunandan Gangopadhyay

In this paper, we consider the first order correction of the entropy and temperature in a charged black hole with a scalar field. Here, we apply such correction for the different cases of black holes. These corrections are due to the…

广义相对论与量子宇宙学 · 物理学 2021-05-11 M. Rostami , J. Sadeghi , S. Miraboutalebi , B. Pourhassan

We explore the quantum nature of black holes by introducing an effective framework that takes into account deviations from the classical results. The approach is based on introducing quantum corrections to the classical Schwarzschild…

广义相对论与量子宇宙学 · 物理学 2022-09-14 Emanuele Binetti , Manuel Del Piano , Stefan Hohenegger , Franco Pezzella , Francesco Sannino

The thermodynamic properties of the (2+1)-dimensional non-rotating black hole of Ba\~nados, Teitelboim and Zanelli are discussed. The first quantum correction to the Bekenstein-Hawking entropy is evaluated within the on-shell Euclidean…

广义相对论与量子宇宙学 · 物理学 2009-10-30 A. A. Bytsenko , L. Vanzo , S. Zerbini

We show that a geometrical notion of entropy, definable in flat space, governs the first quantum correction to the Bekenstein-Hawking black hole entropy. We describe two methods for calculating this entropy -- a straightforward Hamiltonian…

高能物理 - 理论 · 物理学 2016-09-06 Curtin Callan , Frank Wilczek

We discuss the quantum mechanics and thermodynamics of the (2+1)-dimensional black hole, using both minisuperspace methods and exact results from Chern-Simons theory. In particular, we evaluate the first quantum correction to the black hole…

广义相对论与量子宇宙学 · 物理学 2009-10-22 S. Carlip , C. Teitelboim
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