Holographic heat engine efficiency of hyperbolic charged black holes

doi:10.1088/1674-1056/ac1e0c

Abstract 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 entropy is zero, the heat engine efficiency of the hyperbolic black hole becomes the well-known Carnot efficiency. We also find that less charge corresponds to higher efficiency in the case of $\tilde{q}>0$. Furthermore, we study the efficiency of the flat case and spherical case and compare the efficiency with that of the hyperbolic charged black holes. Finally, we use numerical simulation to study the efficiency in benchmark scheme.

Keywords: holographic heat engines benchmark cycle hyperbolic charged black holes

Received: 20 May 2021
Revised: 24 July 2021
Accepted manuscript online: 20 August 2021

PACS:	95.30.Tg	(Thermodynamic processes, conduction, convection, equations of state)
	04.70.-s	(Physics of black holes)
	04.70.Dy	(Quantum aspects of black holes, evaporation, thermodynamics)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11875184).

Corresponding Authors: Xian-Hui Ge
E-mail: gexh@shu.edu.cn

Cite this article:

Wei Sun(孙威) and Xian-Hui Ge(葛先辉) Holographic heat engine efficiency of hyperbolic charged black holes 2021 Chin. Phys. B 30 109501

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