Black Holes in a Cavity: Heat engine and Joule-Thomson Expansion

Hanwen Feng; Jun Tao; Yadong Xue; Yihe Cao

arxiv: 2201.07584 · v2 · pith:6BTTYQJNnew · submitted 2022-01-19 · 🌀 gr-qc

Black Holes in a Cavity: Heat engine and Joule-Thomson Expansion

Yihe Cao , Hanwen Feng , Jun Tao , Yadong Xue This is my paper

classification 🌀 gr-qc

keywords blackcavityholesengineexpansionheatcasescharged

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We consider the charged d-dimensional black holes in a cavity in extended phase space and investigate the heat engine and the Joule-Thomson (JT) expansion. Since the phase structure of black holes in a cavity is similar to anti-de-sitter (AdS) cases, we take black holes in a cavity as the working substance in the heat engine and calculate their efficiency in Carnot cycle and rectangular cycle. Also, we discuss whether the JT expansion of charged black holes in a cavity is consistent with AdS cases and conclude the effect of different boundary conditions on black hole thermodynamics.

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