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Entropy function and the attractor mechanism for spherically symmetric extremal black holes
Cai, Rong-Gen; Cao, Li-Ming; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
2007
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号76期号:6页码:-
摘要In this paper we elaborate on the relation between the entropy formula of Wald and the "entropy function" method proposed by Sen. For spherically symmetric extremal black holes, it is shown that the expression of extremal black hole entropy given by Sen can be derived from the general entropy definition of Wald, without the help of the treatment of rescaling the AdS(2) part of the near horizon geometry of extremal black holes. In our procedure, we only require that the surface gravity approaches to zero, and it is easy to understand the Legendre transformation of f, the integration of Lagrangian density on the horizon, with respect to the electric charges. Since the Noether charge form can be defined in an "off-shell" form, we define a corresponding entropy function, with which one can discuss the attractor mechanism for extremal black holes with scalar fields.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Grad Sch Chinese Acad Sci, Beijing 100039, Peoples R China
关键词Noether Charge Macroscopic Entropy Area
学科领域Physics
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收录类别SCI
WOS记录号WOS:000249786900048
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被引频次:16[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/311006/5666
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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Cai, Rong-Gen,Cao, Li-Ming,Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China. Entropy function and the attractor mechanism for spherically symmetric extremal black holes[J]. PHYSICAL REVIEW D,2007,76(6):-.
APA Cai, Rong-Gen,Cao, Li-Ming,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.(2007).Entropy function and the attractor mechanism for spherically symmetric extremal black holes.PHYSICAL REVIEW D,76(6),-.
MLA Cai, Rong-Gen,et al."Entropy function and the attractor mechanism for spherically symmetric extremal black holes".PHYSICAL REVIEW D 76.6(2007):-.
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