Restricted phase space thermodynamics for black holes in higher dimensions and higher curvature gravities
arXiv:2208.07748 · doi:10.3390/e24081131
Abstract
The recently proposed restricted phase space thermodynamics is shown to be applicable to a large class of higher dimensional higher curvature gravity models coupled to Maxwell field, which are known as black hole scan models and are labeled by the spacetime dimension and the highest order of the Lanczos-Lovelock densities appearing in the action. Three typical example cases with and are chosen as example cases and studied in some detail. These cases are representatives of Einstein-Hilbert, Chern-Simons and Born-Infield like gravity models. Our study indicates that the Einstein-Hilbert and Born-Infield like gravity models have similar thermodynamic behaviors, e.g. the existence of isocharge phase transitions with the same critical exponents, the existence of isovoltage transitions and the Hawking-Page like transitions, and the similar high temperature asymptotic behaviors for the isocharge heat capacities, etc. However, the Chern-Simons like -model behaves quite differently. Neither isocharge nor isovoltage transitions could occur and no Hawking-Page like transition is allowed. This seems to indicate that the Einstein-Hilbert and Born-Infield like models belong to the same universality class while the Chern-Simons like models do not.
29 pages. v2: typo in the title corrected
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