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We compute the second Seely-DeWitt coefficient of the kinetic operator of the metric and gauge fields in Einstein-Maxwell theory in an arbitrary background field configuration. We then use this result to compute the logarithmic correction…

高能物理 - 理论 · 物理学 2015-06-04 Sayantani Bhattacharyya , Binata Panda , Ashoke Sen

This paper is about the extended thermodynamics of AdS black holes and its relation to CFT thermodynamics. The logarithmic term of the central charge is interpreted as black hole entropy. We have obtain a modified Friedmann equation from…

广义相对论与量子宇宙学 · 物理学 2023-06-30 M. Bousder , E. Salmani , H. Ez-Zahraouy

In this work, we have considered a spherically symmetric non-rotating charged black hole geometry where both the Newton's gravitational constant and the charge of the black hole flows with the energy scale. We have used the Kretschmann…

广义相对论与量子宇宙学 · 物理学 2025-04-15 Arpita Jana , Soham Sen , Sunandan Gangopadhyay

In this paper, we examine a generic theory of 1+1-dimensional gravity with coupling to a scalar field. Special attention is paid to a class of models that have a power-law form of dilaton potential and can capably admit black hole…

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

Near-future, space-based, radio- and gravitational-wave interferometry missions will enable us to rigorously test whether the Kerr solution of general relativity accurately describes astrophysical black holes, or if it requires some kind of…

广义相对论与量子宇宙学 · 物理学 2023-07-12 Pablo A. Cano , Alexander Deich , Nicolás Yunes

The enumeration of black hole entropy in candidate theories of quantum gravity utilises the quantum properties of microstates residing on the black hole horizon. For example, in Loop Quantum Gravity, the computation of entropy is based on…

广义相对论与量子宇宙学 · 物理学 2026-03-27 Sahil Devdutt , Akriti Garg , Ayan Chatterjee

In 1996, Rovelli suggested a connection between black hole entropy and the area spectrum. Using this formalism and a theorem we prove in this paper, we briefly show the procedure to calculate the quantum corrections to the…

广义相对论与量子宇宙学 · 物理学 2013-02-18 Youngsub Yoon

We compute one-loop corrections to the euclidean gravitational path integral of near-extremal (anti-)de Sitter-Kerr black hole in terms of the connection coefficients of the Heun equation describing the black hole linear perturbations in…

高能物理 - 理论 · 物理学 2025-06-11 Paolo Arnaudo , Giulio Bonelli , Alessandro Tanzini

The Chern-Simons amended gravity theory appears as a low-energy effective theory of string theory. The effective theory includes an anomaly-cancelation correction to the Einstein-Hilbert action. The Chern-Simons expression consists of the…

广义相对论与量子宇宙学 · 物理学 2023-02-22 G. G. L. Nashed , Shin'ichi Nojiri

It has been argued several times in the past that the structure of the entropy formula for general non-extremal asymptotically flat black holes in four dimensions can be understood in terms of an underlying conformal symmetry. A recent…

高能物理 - 理论 · 物理学 2014-08-14 Marco Baggio , Jan de Boer , Juan I. Jottar , Daniel R. Mayerson

The large $N$ limit of the four-dimensional superconformal index was computed and successfully compared to the entropy of a class of AdS$_5$ black holes only in the particular case of equal angular momenta. Using the Bethe Ansatz…

高能物理 - 理论 · 物理学 2020-10-20 Francesco Benini , Edoardo Colombo , Saman Soltani , Alberto Zaffaroni , Ziruo Zhang

We compute logarithmic corrections to the twisted index $B^g_6$ in four-dimensional $\mathcal{N}=4$ and $\mathcal{N}=8$ string theories using the framework of the Quantum Entropy Function. We find that these vanish, matching perfectly with…

高能物理 - 理论 · 物理学 2014-11-12 Abhishek Chowdhury , Rajesh Kumar Gupta , Shailesh Lal , Milind Shyani , Somyadip Thakur

The near horizon geometry of the rotating C-metric, describing accelerating Kerr-Newman black holes, is analysed. It is shown that, at extremality, even though not it is isomorphic to the extremal Kerr-Newman, it remains a warped and…

高能物理 - 理论 · 物理学 2016-07-26 Marco Astorino

The brick wall model is a semi-classical approach to understanding the microscopic origin of black hole entropy. We outline the formalism for the brick wall model in arbitrary number of dimensions and generalize it to include both charged…

高能物理 - 理论 · 物理学 2025-05-22 Axel Hrelja , Tajron Jurić , Filip Požar

The holographic principle is tested by examining the logarithmic and higher order corrections to the Bekenstein-Hawking entropy of black holes. For the BTZ black hole, I find some disagreement in the principle for a holography screen at…

高能物理 - 理论 · 物理学 2008-11-26 Mu-In Park

In the absence of a higher-dimensional analogue to the Kerr-Newman black hole, 5-dimensional Einstein-Maxwell theory with a Chern-Simons term has become a natural setting for studying charged, stationary solutions. A prominent example is…

高能物理 - 理论 · 物理学 2025-10-21 Marcos R. A. Arcodía , Gaston Giribet , Juan Laurnagaray

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

We review modifications of the Bekenstein-Hawking area law for black hole entropy in the presence of higher-derivative interactions. In four-dimensional N=2 compactifications of string theory or M-theory these modifications are crucial for…

高能物理 - 理论 · 物理学 2010-04-06 Gabriel Lopes Cardoso , Bernard de Wit , Thomas Mohaupt

We study phases of five-dimensional three-charge black holes with a circle in their transverse space. In particular, when the black hole is localized on the circle we compute the corrections to the metric and corresponding thermodynamics in…

高能物理 - 理论 · 物理学 2008-11-26 Troels Harmark , Kristjan R. Kristjansson , Niels A. Obers , Peter B. Ronne

Kerr/CFT correspondence exhibits many remarkable connections between the near horizon Kerr black hole and a CFT. Recently, a hidden conformal symmetry in the solution space of Kerr black hole is shown by Castro, Maloney and Strominger.…

高能物理 - 理论 · 物理学 2011-05-25 Kai-Nan Shao , Zhibai Zhang
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