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Gauss-Bonnet black holes in dS spaces
Cai, RG; Guo, Q; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2004
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号69期号:10页码:-
摘要We study the thermodynamic properties associated with the black hole horizon and cosmological horizon for the Gauss-Bonnet solution in de Sitter space. When the Gauss-Bonnet coefficient is positive, a locally stable small black hole appears in the case of spacetime dimension d=5, the stable small black hole disappears, and the Gauss-Bonnet black hole is always unstable quantum mechanically when dgreater than or equal to6. On the other hand, the cosmological horizon is found to be always locally stable independent of the spacetime dimension. But the solution is not globally preferred; instead, the pure de Sitter space is globally preferred. When the Gauss-Bonnet coefficient is negative, there is a constraint on the value of the coefficient, beyond which the gravity theory is not well defined. As a result, there is not only an upper bound on the size of black hole horizon radius at which the black hole horizon and cosmological horizon coincide with each other, but also a lower bound depending on the Gauss-Bonnet coefficient and spacetime dimension. Within the physical phase space, the black hole horizon is always thermodynamically unstable and the cosmological horizon is always stable; furthermore, as in the case of the positive coefficient, the pure de Sitter space is still globally preferred. This result is consistent with the argument that the pure de Sitter space corresponds to an UV fixed point of dual field theory.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China
关键词Generated Gravity Models Cardy-verlinde Formula Desitter Spaces Thermodynamics Terms Limit
学科领域Physics
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收录类别SCI
WOS记录号WOS:000222096200065
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被引频次:117[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14082
专题理论物理所SCI论文
通讯作者Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
Cai, RG,Guo, Q,Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Gauss-Bonnet black holes in dS spaces[J]. PHYSICAL REVIEW D,2004,69(10):-.
APA Cai, RG,Guo, Q,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).Gauss-Bonnet black holes in dS spaces.PHYSICAL REVIEW D,69(10),-.
MLA Cai, RG,et al."Gauss-Bonnet black holes in dS spaces".PHYSICAL REVIEW D 69.10(2004):-.
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