English
Related papers

Related papers: Free-fall Rainbow BTZ Black Hole

200 papers

In this work, we consider that in energy scales greater than the Planck energy, the geometry, fundamental physical constants, as charge, mass, speed of light and Newtonian constant of gravitation, and matter fields will depend on the scale.…

General Relativity and Quantum Cosmology · Physics 2020-12-16 Ednaldo L. B. Junior , Manuel E. Rodrigues , Marcos V. de S. Silva

We develop a finite-cutoff formulation of BTZ black-hole thermodynamics in which a circular cavity at radius $R$ is treated as a genuine holographic screen. The resulting ensemble is simultaneously a quasilocal gravitational system in the…

General Relativity and Quantum Cosmology · Physics 2026-03-19 Nazir A. Ganaie , M. A. Shah

We present a microscopical explanation of the entropy of the BTZ black hole using discrete spin foam models of quantum gravity. The entropy of a black hole is given in geometrical terms which lead us to think that its statistical…

General Relativity and Quantum Cosmology · Physics 2008-12-18 J. Manuel Garcia-Islas

We investigate the thermodynamics as well as thermodynamic geometry of chargeless BTZ black hole solution in new massive gravity. Phase structure and thermodynamic stability of the system is analyzed using the Geometrothermodynamic…

General Relativity and Quantum Cosmology · Physics 2016-06-21 Jishnu Suresh , V. C. Kuriakose

In this work, we obtain the thermodynamic geometry of the extended black hole solution under f(R) gravity. This is the foundation of our work. We also obtain the exact form of the f(R) model for some solutions. In the thermodynamic…

General Relativity and Quantum Cosmology · Physics 2022-03-28 Wen-Xiang Chen , Yao-Guang Zheng

We investigate gravitational lensing in the strong-field regime for a black hole in F(R) Euler Heisenberg Gravity with Rainbow gravity modifications. This black hole spacetime is characterized by the Euler Heisenberg parameter, F(R)…

Astrophysics of Galaxies · Physics 2025-07-21 Sayan Naskar , Niyaz Uddin Molla , Ujjal Debnath

This study probes spacetime solutions within Einstein-Bumblebee gravity, a modified gravitational framework incorporating spontaneous Lorentz symmetry violation through a vector field mechanism. By introducing a cosmological constant into…

General Relativity and Quantum Cosmology · Physics 2025-08-04 Reggie C. Pantig , Shubham Kala , Ali Övgün , Nikko John Leo S. Lobos

The thermodynamic properties of the de Rham-Gabadadze-Tolley (dRGT) black hole in the asymptotically de Sitter (dS) spacetime are investigated by using R\'enyi entropy. It has been found that the black hole with asymptotically dS spacetime…

General Relativity and Quantum Cosmology · Physics 2023-03-21 Phuwadon Chunaksorn , Ekapong Hirunsirisawat , Ratchaphat Nakarachinda , Lunchakorn Tannukij , Pitayuth Wongjun

The Frolov black hole (BH) is a charged extension of the Hayward BH, having regularity at the central point $r = 0$ and an asymptotically Schwarzschild form for large values of $r$. Such a BH is parameterized by a length scale parameter, \(…

General Relativity and Quantum Cosmology · Physics 2025-10-01 Mrinnoy M. Gohain , Kalyan Bhuyan , Rajnandini Borgohain , Tonmoyee Gogoi , Kakoli Bhuyan , Prabwal Phukon

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 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

In this paper, we study the thermodynamics and phase transition of a BTZ black hole in a finite space region, namely a cavity. By imposing a temperature-fixed boundary condition on the wall of the cavity and evaluating the Euclidean action,…

General Relativity and Quantum Cosmology · Physics 2022-08-25 Yuchen Huang , Jun Tao

We investigate some modifications of the static BTZ black hole solution due to a chosen asymptotically constant dilaton/scalar. New classes of static black hole solutions are obtained. One of the solutions contains the Martinez-Zanelli…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Kevin C. K. Chan

In three spacetime dimensions, general relativity becomes a topological field theory, whose dynamics can be largely described holographically by a two-dimensional conformal field theory at the ``boundary'' of spacetime. I review what is…

General Relativity and Quantum Cosmology · Physics 2010-04-28 S. Carlip

The well-known $(2+1)$-dimensional Reissner-Nordstrom (BTZ) black hole can be generalized to three dimensional Einstein-nonlinear electromagnetic field, motivated from obtaining a finite value for the self-energy of a pointlike charge.…

High Energy Physics - Theory · Physics 2014-05-21 S. H. Hendi

In this paper, we will analyze a five-dimensional Yang-Mills black hole solution in massive gravity's rainbow. We will also investigate the flow of such a solution with scale. Then, we will discuss the scale dependence of the thermodynamics…

General Relativity and Quantum Cosmology · Physics 2022-04-27 Houcine Aounallah , Behnam Pourhassan , Seyed Hossein Hendi , Mir Faizal

A static black hole with spherical symmetry is obtained and examined in the framework of Einstein-Yang-Mills-dilaton theory. The obtained black hole solution allowed us to derive and investigate entropy, temperature and heat capacity. To…

High Energy Physics - Theory · Physics 2020-07-01 M. M. Stetsko

The well-known BTZ black hole solution of (2+1) Einstein's gravity, in the presence of a cosmological constant, is treated both at the classical and quantum level. Classically, the imposition of the two manifest local Killing fields of the…

General Relativity and Quantum Cosmology · Physics 2015-06-19 T. Christodoulakis , N. Dimakis , Petros A. Terzis , G. Doulis

We investigate thermodynamic schemes of charged BTZ-like black holes in arbitrary dimensions, namely higher-dimensional charged black holes in which the electromagnetic sector exhibits the same properties with that of the usual…

High Energy Physics - Theory · Physics 2023-11-06 Ali Dehghani , Behnam Pourhassan , Soodeh Zarepour , Emmanuel N. Saridakis

We have considered the divergence structure in the brick-wall model for the statistical mechanical entropy of a quantum field in thermal equilibrium with a black hole which {\it rotates}. Especially, the contribution to entropy from…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Jeongwon Ho , Gungwon Kang