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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
Source PublicationPHYSICAL REVIEW D
KeywordNoether Charge Macroscopic Entropy Area
AbstractIn 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.
2007
ISSN1550-7998
Volume76Issue:6Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5666
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
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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