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题名: Phase transition and thermodynamical geometry of Reissner-Nordstrom-AdS black holes in extended phase space
作者: Zhang, JL;  Cai, RG;  Yu, HW
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 91, 期号:4, 页码:44028
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.91.044028
通讯作者: Zhang, JL (reprint author), Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China.
文章类型: Article
英文摘要: We study the thermodynamics and thermodynamic geometry of a five-dimensional Reissner-Nordstrom-AdS black hole in the extended phase space by treating the cosmological constant as being related to the number of colors in the boundary gauge theory and its conjugate quantity as the associated chemical potential. We find that the contribution of the charge of the black hole to the chemical potential is always positive, and the existence of charge makes the chemical potential become positive more easily. We calculate the scalar curvatures of the thermodynamical Weinhold metric, Ruppeiner metric, and Quevedo metric, respectively, in the fixed N-2 case and the fixed q case. We find that in the fixed N-2 case, the divergence of the scalar curvature is related to the divergence of the specific heat with fixed electric potential in the Weinhold metric and Ruppeiner metric, and the divergence of the scalar curvature in the Quevedo metric corresponds to the divergence of the specific heat with fixed electric charge density. In the fixed q case, however, the divergence of the scalar curvature is related to the divergence of the specific heat with fixed chemical potential in the Weinhold metric and Ruppeiner metric, while in the Quevedo metric, the divergence of the scalar curvature corresponds to the divergence of the specific heat with a fixed number of colors and the vanishing of the specific heat with a fixed chemical potential.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: P-V CRITICALITY ;  EHRENFEST SCHEME ;  COUPLING-CONSTANT ;  FIELD-THEORIES ;  STRING THEORY ;  GRAVITY ;  GEOMETROTHERMODYNAMICS ;  POINTS ;  ENERGY
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11005038, 10975168, 11035008, 11375092, 11435006] ;  Hunan Provincial Natural Science Foundation of China [11JJ7001] ;  Program Excellent Talent Hunan Normal University [ET13102]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21092
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Zhang, JL,Cai, RG,Yu, HW. Phase transition and thermodynamical geometry of Reissner-Nordstrom-AdS black holes in extended phase space[J]. PHYSICAL REVIEW D,2015,91(4):44028.
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