期刊
PHYSICAL REVIEW D
卷 87, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.044014
关键词
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资金
- National Natural Science Foundation of China [11205074, 11075065]
- Huo Ying-Dong Education Foundation of the Chinese Ministry of Education [121106]
- Fundamental Research Funds for the Central Universities
In this paper, we study the phase structure and equilibrium state space geometry of charged topological Gauss-Bonnet black holes in d-dimensional anti-de Sitter spacetime. Several critical points are obtained in the canonical ensemble, and the critical phenomena and critical exponents near them are examined. We find that the phase structures and critical phenomena drastically depend on the cosmological constant Lambda and dimensionality d. The result also shows that there exists an analogy between the black hole and the van der Waals liquid gas system. Moreover, we explore the phase transition and possible property of the microstructure using the state space geometry. It is found that the Ruppeiner curvature diverges exactly at the points where the heat capacity at constant charge of the black hole diverges. This black hole is also found to be a multiple system, i.e., it is similar to the ideal gas of fermions in some range of the parameters, while to the ideal gas of bosons in another range. DOI: 10.1103/PhysRevD.87.044014
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