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Entropy function and the attractor mechanism for spherically symmetric extremal black holes
Cai, Rong-Gen; Cao, Li-Ming
Corresponding AuthorCai, Rong-Gen(cairg@itp.ac.cn)
2007-09-01
Source PublicationPHYSICAL REVIEW D
ISSN1550-7998
Volume76Issue:6Pages:9
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.
DOI10.1103/PhysRevD.76.064010
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000249786900048
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/126182
Collection中国科学院金属研究所
Corresponding AuthorCai, Rong-Gen
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
2.Grad Sch Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Cai, Rong-Gen,Cao, Li-Ming. Entropy function and the attractor mechanism for spherically symmetric extremal black holes[J]. PHYSICAL REVIEW D,2007,76(6):9.
APA Cai, Rong-Gen,&Cao, Li-Ming.(2007).Entropy function and the attractor mechanism for spherically symmetric extremal black holes.PHYSICAL REVIEW D,76(6),9.
MLA Cai, Rong-Gen,et al."Entropy function and the attractor mechanism for spherically symmetric extremal black holes".PHYSICAL REVIEW D 76.6(2007):9.
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