English
Related papers

Related papers: Hayward black hole heat engine efficiency in anti-…

200 papers

The heat engine of magnetic black holes in Einstein-AdS gravity coupled to rational nonlinear electrodynamics, as the working substance, is studied. The dynamical negative cosmological constant is considered as a thermodynamic pressure. We…

General Physics · Physics 2024-11-26 S. I. Kruglov

Considering the negative cosmological constant of an anti-de Sitter (AdS) background as a positive thermodynamic pressure in the extended phase space, we study the thermodynamic behaviors of the regular Hayward-AdS (HAdS) black hole (BH) by…

High Energy Physics - Theory · Physics 2022-05-17 Sen Guo , Ya-Ling Huang , En-Wei Liang

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

We construct the charged Hayward-anti-de Sitter (AdS) black hole (BH) with a cloud of strings (CS) and perfect fluid dark matter (PFDM), and analyze its extended thermodynamic phase structure. The Hayward parameter $g$ replaces the central…

General Relativity and Quantum Cosmology · Physics 2026-03-04 Ahmad Al-Badawi , Faizuddin Ahmed , İzzet Sakallı

In this paper, we study the heat engine where charged AdS black holes surrounded by dark energy is the working substance and the mechanical work is done via $PdV$ term in the first law of black hole thermodynamics in the extended phase…

High Energy Physics - Theory · Physics 2017-08-28 Hang Liu , Xin-He Meng

We study the heat engine by a $d$-dimensional charged anti-de Sitter black hole by making a comparison between the small-large black hole phase transition and the liquid-vapour phase transition of water. With the help of the first law and…

General Relativity and Quantum Cosmology · Physics 2019-08-20 Shao-Wen Wei , Yu-Xiao Liu

Using a reasonable choice in normalizing the timelike Killing vector, we investigate the thermodynamic properties of charged accelerating Anti-de Sitter (AdS) black holes. We find that the expression of the thermodynamic mass in the first…

High Energy Physics - Theory · Physics 2019-03-22 Jialin Zhang , Yanjun Li , Hongwei Yu

We investigate the properties of holographic heat engines with an uncharged accelerating non-rotating AdS black hole as the working substance in a benchmarking scheme. We find that the efficiencies of the black hole heat engines can be…

High Energy Physics - Theory · Physics 2018-08-29 Jialin Zhang , Yanjun Li , Hongwei Yu

We study the efficiency of holographic heat engines in the context of extended black hole thermodynamics, where the cosmological constant becomes a dynamical variable. By taking the working substance as a static black hole (i.e. a…

High Energy Physics - Theory · Physics 2020-04-17 Felipe Rosso

We note that, in extended phase space the cosmological constant is a thermodynamic variable. In this paper, this cosmological constant lead us to consider a black hole as a heat engine. So, here we take advantage from holographic heat…

High Energy Physics - Theory · Physics 2017-10-31 Kh. Jafarzade , J. Sadeghi

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

We consider a four-dimensional charged hyperbolic black hole as working matter to establish a black hole holographic heat engine, and use the rectangular cycle to obtain the heat engine efficiency. We find that when the increasing of…

General Relativity and Quantum Cosmology · Physics 2022-05-03 Wei Sun , Xian-Hui Ge

This paper presents a comprehensive theoretical study of a Schwarzschild-like Anti-de Sitter (AdS) black hole (BH) influenced by a new cloud of strings (NCS) and a dark matter halo (DMH) characterized by a Dehnen-type density profile. We…

General Relativity and Quantum Cosmology · Physics 2025-09-30 Faizuddin Ahmed , Edilberto O. Silva

We investigate the heat properties of AdS Black Holes in higher dimensions. We consider the study of the corresponding thermodynamical properties including the heat capacity explored in the determination of the black hole stability. In…

High Energy Physics - Theory · Physics 2015-07-02 A. Belhaj , M. Chabab , H. EL Moumni , K. Masmar , M. B. Sedra , A. Segui

We extend to non-static black holes our benchmarking scheme that allows for cross-comparison of the efficiencies of asymptotically AdS black holes used as working substances in heat engines. We use a circular cycle in the p-V plane as the…

High Energy Physics - Theory · Physics 2018-12-07 Avik Chakraborty , Clifford V. Johnson

In this paper, the phase structure of the Hayward-AdS black hole (BH) is studied using shadow formalism. It has been found that the shadow radius is a monotonic function of the horizon radius and can therefore play an equivalent role to the…

General Relativity and Quantum Cosmology · Physics 2023-05-03 Zhi Luo , Hao Yu , Shuo Cao , Jin Li

We first review the general class of accelerating, rotating and charged Plebanski-Demianski (PD) black holes in presence of cosmological constant, which includes the Kerr-Newman rotating black hole and the Taub-NUT spacetime. We assume that…

General Relativity and Quantum Cosmology · Physics 2020-06-05 Ujjal Debnath

We study the efficiency of heat engines that perform mechanical work via the pdV terms present in the First Law in extended gravitational thermodynamics. We use charged black holes as the working substance, for a particular choice of engine…

High Energy Physics - Theory · Physics 2016-06-01 Clifford V. Johnson

Working in the extended black hole thermodynamics where a dynamical cosmological constant defines a thermodynamic pressure p, we study the efficiency of heat engines that perform mechanical work via the pdV terms now present in the First…

High Energy Physics - Theory · Physics 2016-12-30 Clifford V. Johnson

In this paper, we study thermodynamic features of the charged rotating accelerating black holes in anti-de Sitter spacetime. First, we consider these black holes as the thermodynamic systems and analyze thermal stability/instability through…

High Energy Physics - Theory · Physics 2022-02-11 B. Eslam Panah , Kh. Jafarzade
‹ Prev 1 2 3 10 Next ›