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We systematically examine the properties of an electrically charged black hole in Eddington-inspired Born-Infeld gravity with not only the positive but also the negative coupling constant in the theory. As a result, we numerically find that…

General Relativity and Quantum Cosmology · Physics 2015-06-23 Hajime Sotani , Umpei Miyamoto

We study the dynamics and escape of charged particles initially orbiting a weakly magnetized Kerr black hole after they get kicked in the direction normal to the orbit. The case of neutral particles is analysed first and the escape…

General Relativity and Quantum Cosmology · Physics 2014-10-17 A. M. Al Zahrani

Regarding a particular class of pure $F(R)$ gravity in three dimensions, we obtain an analytical rotating Lifshitz-like black hole solution. We first investigate some geometrical properties of the obtained solution that reduces to a charged…

High Energy Physics - Theory · Physics 2023-02-16 Kh. Jafarzade , E. Rezaei , S. H. Hendi

This work employs the minimal geometric deformation decoupling scheme to derive interior stellar solutions in the background of an electrically charged BTZ ansatz as a seed metric in three dimensions. In this respect, we impose two…

General Relativity and Quantum Cosmology · Physics 2026-01-27 Z. Yousaf , Kazuharu Bamba , Mansoor Alshehri , S. Khan , M. Z. Bhatti

We introduce an analog model for the conformally coupled scalar field on the BTZ black hole. The model is based on the propagation of acoustic waves in a Laval nozzle. Since the BTZ black hole is not a globally hyperbolic spacetime, the…

General Relativity and Quantum Cosmology · Physics 2023-03-13 Christyan C. de Oliveira , Ricardo A. Mosna , João Paulo M. Pitelli

This paper explores the dynamics of both neutral as well as charged particles orbiting near a rotating black hole in scalar-tensor-vector gravity. We study the conditions for the particle to escape at the innermost stable circular orbit. We…

General Relativity and Quantum Cosmology · Physics 2017-09-13 M. Sharif , Misbah Shahzadi

In this study, the quantum gravity effect on the tunnelling radiation of charged massive spin-0 scalar particle from 2+1 dimensional charged rotating Banados-Teitelboim-Zanelli (BTZ) black hole is looked into by using the Hamilton-Jacobi…

General Relativity and Quantum Cosmology · Physics 2018-11-13 Ganim Gecim , Yusuf Sucu

In this paper, we study frozen states of charged boson stars. These solutions are globally regular and exist in a U(1) gauged scalar field model minimally coupled to gravity for suitable choices of the coupling constants. These…

General Relativity and Quantum Cosmology · Physics 2025-07-15 Yves Brihaye , Betti Hartmann

We describe two interesting effects in wormhole physics. First, we find that a genuinely charged matter source may appear neutral to an external observer - a phenomenon opposite to the famous Misner-Wheeler "charge without charge" effect.…

High Energy Physics - Theory · Physics 2015-05-30 Eduardo Guendelman , Alexander Kaganovich , Emil Nissimov , Svetlana Pacheva

In three dimensions, a phase transition occurs between the non-rotating BTZ black hole and the massless BTZ black hole. Further, introducing the mass of a conical singularity, we show that a transition between the non-rotating BTZ black…

General Relativity and Quantum Cosmology · Physics 2010-04-05 Yun Soo Myung

In this paper, the orbits of a charged particle near the event horizon of a magnetized black hole are investigated. For a static black hole of mass $M$ immersed in a homogeneous magnetic field $B$, the dimensionless parameter $b=eBGM/…

General Relativity and Quantum Cosmology · Physics 2023-08-02 Noah P. Baker , Valeri P. Frolov

We study the thermodynamics and thermodynamic geometry of the (2+1) dimensional Banados-Teitelboim-Zanelli(BTZ) black hole within the framework of the non-extensive generalizations of Gibbs entropy. We investigate both the rotating (R-BTZ)…

High Energy Physics - Theory · Physics 2025-01-22 Amijit Bhattacharjee , Prabwal Phukon

In this paper, we consider three types (static, static charged and rotating charged) of black holes in f(R) gravity. We study the thermodynamical behavior, stability conditions and phase transition of these black holes. It will be shown…

General Relativity and Quantum Cosmology · Physics 2016-08-30 Saheb Soroushfar , Reza Saffari , Negin Kamvar

Some thermodynamic properties of the Ba\~nados-Teitelboim-Zanelli (BTZ) black hole are studied to get the effective dimension of its corresponding statistical model. For this purpose, we make use of the geometrical approach to the…

High Energy Physics - Theory · Physics 2009-10-31 Rong-Gen Cai , Jin-Ho Cho

We study the stability under perturbations of a charged four dimensional stringy black hole arising from gauging a previously studied WZW model. We find that the black hole is stable only in the extremal case $Q=M$.

High Energy Physics - Theory · Physics 2009-10-22 A. Carlini , F. Fucito , M. Martellini

Using the Schwarzschild metric as a rudimentary toy model, we pedagogically revisit the curious prediction that the mass of a classical black hole in a constant temperature thermal bath diverges in a finite amount of time. We study in…

General Relativity and Quantum Cosmology · Physics 2022-07-27 Aurélien Barrau , Killian Martineau , Cyril Renevey

In this work we study the Joule-Thomson expansion for uncharged black holes in a noncommutative scenario characterized by a parameter $\theta$, which is present in the horizon function. We calculate the inversion temperature for some values…

High Energy Physics - Theory · Physics 2021-11-03 J. P. Morais Graça , Eduardo Folco Capossoli , Henrique Boschi-Filho

The periodic bounce configurations responsible for quantum tunneling are obtained explicitly and are extended to the finite energy case for minisuperspace models of the Universe. As a common feature of the tunneling models at finite energy…

High Energy Physics - Theory · Physics 2016-08-15 J. -Q. Liang , H. J. W. Müller-Kirsten , Y. -B. Zhang , A. V. Shurgaia , S. -P. Kou , D. K. Park

In this paper the BTZ black hole geometry is probed with a noncommutative scalar field which obeys the $\kappa$-Minkowski algebra. The entropy of the BTZ black hole is calculated using the brick wall method. The contribution of the…

High Energy Physics - Theory · Physics 2014-10-20 Kumar S. Gupta , E. Harikumar , Tajron Juric , Stjepan Meljanac , Andjelo Samsarov

We consider a generic first-order phase transition at finite temperature and investigate to what extent a population of primordial black holes, of variable masses, can affect the rate of bubble nucleation. Using a thin-wall approximation,…

High Energy Physics - Theory · Physics 2020-12-24 Basem Kamal El-Menoufi , Stephan J. Huber , Jonathan P. Manuel
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