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In this paper we have studied electrically charged black holes in a new model of nonlinear electrodynamics introduced by Kruglov in Ref. [1]. There are two parameters for the theory and the black hole could have up to two horizons.…

General Relativity and Quantum Cosmology · Physics 2021-10-19 Leonardo Balart , Sharmanthie Fernando

A comprehensive treatment of black hole thermodynamics in two-dimensional dilaton gravity is presented. We derive an improved action for these theories and construct the Euclidean path integral. An essentially unique boundary counterterm…

High Energy Physics - Theory · Physics 2010-10-27 Daniel Grumiller , Robert McNees

Holographic braneworlds are used to present a higher-dimensional origin of extended black hole thermodynamics. In this framework, classical, asymptotically anti-de Sitter black holes map to quantum black holes in one dimension less, with a…

High Energy Physics - Theory · Physics 2023-05-03 Antonia M. Frassino , Juan F. Pedraza , Andrew Svesko , Manus R. Visser

The thermodynamics of black holes is shown to be directly induced by their near-horizon conformal invariance. This behavior is exhibited using a scalar field as a probe of the black hole gravitational background, for a general class of…

High Energy Physics - Theory · Physics 2009-09-29 Horacio E. Camblong , Carlos R. Ordonez

We investigate the thermodynamical properties of charged torus-like black holes and take it as the working substance to study the heat engines. In the extended phase space, by interpreting the cosmological constant as the thermodynamic…

General Relativity and Quantum Cosmology · Physics 2021-02-10 Hanwen Feng , Yuchen Huang , Wei Hong , Jun Tao

In this work we study thermodynamics of 2+1-dimensional static black holes with a nonlinear electric field. Besides employing the standard thermodynamic approach, we investigate the black hole thermodynamics by studying its thermodynamic…

General Relativity and Quantum Cosmology · Physics 2021-02-03 Mauricio Cataldo , P. A. González , Joel Saavedra , Yerko Vázquez , Bin Wang

By considering AdS charged black hole in the context of extended thermodynamic as the working substance we use it as a heat engine. We investigate the effect of hairy charge on the evolution of efficiency and Carnot efficiency along with…

High Energy Physics - Theory · Physics 2020-02-04 Hossein Ghaffarnejad , Emad Yaraie , Mohammad Farsam , Kazuharu Bamba

Heat engine models are constructed within the framework of massive gravity in this paper. For the four-dimensional charged black holes in massive gravity, it is shown that the heat engines have a higher efficiency for the cases $m^2>0$ than…

General Relativity and Quantum Cosmology · Physics 2018-06-13 Jie-Xiong Mo , Gu-Qiang Li

Stochastic thermodynamics has revolutionized our understanding of heat engines operating in finite time. Recently, numerous studies have considered the optimal operation of thermodynamic cycles acting as heat engines with a given profile in…

Statistical Mechanics · Physics 2022-06-15 Adam G. Frim , Michael R. DeWeese

The thermodynamical process of Joule-Thomson expansion is extended to the lower-dimensional spacetimes by considering rotating, charged and charged rotating BTZ black hole metrics. The Joule-Thomson coefficients, the inversion curves and…

High Energy Physics - Theory · Physics 2021-10-27 Soodeh Zarepour

We investigate the thermodynamic phase transitions and heat engine efficiency in regular Bardeen AdS black hole. Interpreting cosmological constant as thermodynamic pressure, we study the thermodynamics using T S and P v plots. Specific…

General Relativity and Quantum Cosmology · Physics 2020-09-21 Rajani K. V. , C. L. Ahmed Rizwan , A. Naveena Kumara , Deepak Vaid , Ajith K. M

In extended phase space, a static black hole in massive gravity is studied as a holographic heat engine. In the massive gravity theory considered, the graviton gain a mass due to Lorentz symmetry breaking. Exact efficiency formula is…

General Relativity and Quantum Cosmology · Physics 2019-06-27 Sharmanthie Fernando

Endoreversible engine cycles are a cornerstone of finite-time thermodynamics. We show that endoreversible Stirling engines operating with a one-component plasma as working medium run at maximal power output with the Curzon-Ahlborn…

Statistical Mechanics · Physics 2025-11-24 Gregory Behrendt , Sebastian Deffner

We investigate the heat engine defined via black hole with momentum relaxation, which is introduced by massless axion fields. We first study the extended thermodynamical properties of the black hole and then apply it to define a heat…

High Energy Physics - Theory · Physics 2018-07-25 Li-Qing Fang , Xiao-Mei Kuang

We suggest a finite-time geometric optimization framework to analyze thermal fluctuations and optimal processes in black holes. Our approach implement geodesics in thermodynamic space to define optimal pathways between equilibrium and…

General Relativity and Quantum Cosmology · Physics 2025-12-09 Vasil Avramov , Hristo Dimov , Miroslav Radomirov , Radoslav C. Rashkov , Tsvetan Vetsov

In the context of dilaton coupled Einstein gravity with a negative cosmological constant and a Born-Infeld field, we study heat engines where charged black hole is the working substance. Using the existence of a notion of thermodynamic mass…

High Energy Physics - Theory · Physics 2017-08-02 Chandrasekhar Bhamidipati , Pavan Kumar Yerra

We assume that the negative cosmological constant as a thermodynamical pressure and the asymptotically anti-de Sitter (AdS) black hole thermodynamics with modified Chaplygin gas. We have written the mass of the black hole, volume, entropy…

General Relativity and Quantum Cosmology · Physics 2019-03-12 Ujjal Debnath

We investigate a Brownian heat engine wherein a particle moves through a periodic ratchet potential under an exponentially decreasing temperature profile, a spatial configuration that closely resembles experimentally realizable conditions…

Statistical Mechanics · Physics 2025-09-26 Mesfin Asfaw Taye

According to holography, a black hole is dual to a thermal state in a strongly coupled quantum system. One of the best-known examples of holography is the Anti-de Sitter/Conformal Field Theory (AdS/CFT) correspondence. Despite extensive…

High Energy Physics - Theory · Physics 2025-10-01 Nikesh Lilani , Manus R. Visser

Black holes exactly incorporating quantum matter backreaction effects, namely, quantum black holes, are notoriously difficult to construct, let alone study their horizon thermodynamics. Here, we derive the thermodynamics of…

General Relativity and Quantum Cosmology · Physics 2026-01-30 Yuanfan Cao , Andrew Svesko