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We study spherically symmetric solutions of a four-dimensional theory of gravity with a topological action, which was constructed as a Yang-Mills theory of the Poincar\'e group and can be considered a generalization to higher dimensions of…

General Relativity and Quantum Cosmology · Physics 2010-11-19 S. Mignemi

An often fruitful route to study quantum gravity is the determination and study of quantum mechanical models--that is, models with finite degrees of freedom--that capture the dynamics of a black hole's microstates. An example of such a…

High Energy Physics - Theory · Physics 2024-03-13 Rishi Mouland

In this talk, I will summarize recent developments in 5-dimensional supergravity. Apart from black ring solutions, we will discuss the way of obtaining regular (bubbling) solutions with the same charges as black holes. We outline the…

High Energy Physics - Theory · Physics 2009-11-11 Klaus Behrndt

The superconformal index of ${\cal N}=4$ supersymmetric Yang-Mills theory with gauge group $\mathrm{U}(N)$ has provided powerful insights into the entropy of supersymmetric black holes in AdS$_5\times S^5$, including some sub-leading…

High Energy Physics - Theory · Physics 2025-02-13 Evan Deddo , Leopoldo A. Pando Zayas , Wenjie Zhou

We study the thermodynamics and dynamics of high-dimensional Einstein-power-Yang-Mills black holes in conformal gravity. Specifically, we investigate a class of conformally related black holes whose metrics differ by a scale factor. We show…

General Relativity and Quantum Cosmology · Physics 2021-07-07 Yang Li , Yan-Gang Miao

In this paper, we present an exact spherically symmetric and Yang-Mills charged AdS black hole solution in the context of $4D$ Einstein-Gauss-Bonnet (EGB) gravity in the presence of a cloud of strings. The regularity of the solution is…

High Energy Physics - Theory · Physics 2026-05-26 Faramarz Rahmani , Mehdi Sadeghi

Alternative theories of gravity and their solutions are of considerable importance since at some fundamental level the world can reveal new features. Indeed, it is suspected that the gravitational field might be nonminimally coupled to the…

General Relativity and Quantum Cosmology · Physics 2016-04-06 Alexander B. Balakin , José P. S. Lemos , Alexei E. Zayats

We study the extended phase space thermodynamics of black holes in massive gravity. Particularly, we examine the critical behaviour of this black hole using the extended phase space formalism. Extended phase space in a sense that in which…

General Relativity and Quantum Cosmology · Physics 2019-04-15 Parthapratim Pradhan

Motivated by the violation of Lorentz invariancy in quantum gravity, we study black hole solutions in gravity's rainbow in context of Einstein gravity coupled with various models of nonlinear electrodynamics. We regard an energy dependent…

General Relativity and Quantum Cosmology · Physics 2018-10-22 S. H. Hendi , S. Panahiyan , B. Eslam Panah , M. Momennia

In this paper, we study massive gravity in the presence of Born-Infeld nonlinear electrodynamics. First, we obtain metric function related to this gravity and investigate the geometry of the solutions and find that there is an essential…

High Energy Physics - Theory · Physics 2015-11-25 Seyed Hossein Hendi , Behzad Eslam Panah , Shahram Panahiyan

This paper is motivated by the application of the inverse isoperimetric inequality to establish constraints on the parameters of gravity's rainbow. We investigate the thermodynamic (in)stability conditions for $d-$dimensional…

General Relativity and Quantum Cosmology · Physics 2025-06-16 Behzad Eslam Panah , Narges Heidari , Mana Soleimani , Maryam Kaveh

: In this note, we study an extra dimension effect on the black hole chemistry in the 8-dimensional Einstein-Yang-Mills-Maxwell theory. The base spacetime contains 4- dimensional compact manifolds and an instanton on top of those. We…

High Energy Physics - Theory · Physics 2025-06-06 Kyung Kiu Kim , Jeongwon Ho , Seungjoon Hyun , Taehyeon Song

In this paper, we investigate the thermal stability and Joule-Thomson expansion of some new qusitopological black hole solutions. We first study the higher-dimensional static quasitopological black hole solutions in the presence of…

General Relativity and Quantum Cosmology · Physics 2021-05-13 Behrouz Mirza , Fatemeh Naeimipour , Masoumeh Tavakoli

This paper deals with the thermodynamical properties of black hole formulated in Einstein theory of relativity and associated with a nonlinear electromagnetic field. The transition of the black hole is analyzed using the parameters mass,…

General Relativity and Quantum Cosmology · Physics 2023-05-31 G. Abbas , R. H. Ali

Following an earlier study regarding Gauss-Bonnet-Maxwell black holes in the presence of gravity's rainbow [S. H. Hendi and M. Faizal, Phys. Rev. D 92, 044027 (2015)], in this paper, we will consider all constants as energy dependent ones.…

General Relativity and Quantum Cosmology · Physics 2016-07-25 Seyed Hossein Hendi , Shahram Panahiyan , Behzad Eslam Panah , Mir Faizal , Mehrab Momennia

In this paper, we will generalize the Gauss-Bonnet gravity to an energy dependent Gauss-Bonnet theory of gravity, which we shall call as the Gauss-Bonnet gravity's rainbow. We will also couple this theory to a Maxwell's theory. We will…

General Relativity and Quantum Cosmology · Physics 2015-08-26 Seyed Hossein Hendi , Mir Faizal

In this paper, we consider three-dimensional massive gravity's rainbow and obtain black hole solutions in three different cases of Born-Infeld, logarithmic, and exponential theories of nonlinear electrodynamics. We discuss the horizon…

General Relativity and Quantum Cosmology · Physics 2021-11-16 M. Dehghani , B. Pourhassan

This paper deals with five-dimensional black hole solutions in (a) Einstein-Maxwell-Gauss-Bonnet theory with a cosmological constant and (b)Einstein-Yang-Mills-Gauss-Bonnet theory for spherically symmetric space time. In both the cases the…

General Relativity and Quantum Cosmology · Physics 2011-05-23 Ritabrata Biswas , Subenoy Chakraborty

In this letter, we analyze the modification to the thermodynamics of a Schwarzchild black hole and a Kerr black hole due to gravity's rainbow. The metric for these black holes will be made energy dependent. This will be done by using…

General Relativity and Quantum Cosmology · Physics 2022-12-02 Moh Vaseem Akram , Imtiyaz Ahmad Bhat , Anver Aziz

We study the $f(R)$-Maxwell black hole imposed by constant curvature and its all thermodynamic quantities, which may lead to the Reissner-Nordstr\"om-AdS black hole by redefining Newtonian constant and charge. Further, we obtain the…

General Relativity and Quantum Cosmology · Physics 2015-05-20 Taeyoon Moon , Yun Soo Myung , Edwin J. Son