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Cai, Rong-Gen; Chen, Chiang-Mei; Maeda, Kei-Ichi; Ohta, Nobuyoshi; Pang, Da-Wei; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
Entropy function and universality of entropy-area relation for small black holes
Source PublicationPHYSICAL REVIEW D
KeywordLagrangians Gravitation
AbstractWe discuss the entropy-area relation for the small black holes with higher curvature corrections by using the entropy function formalism and field redefinition method. We show that the entropy S(BH) of the small black hole is proportional to its horizon area A. In particular, we find a universal result that S(BH) = A/2G, the ratio is 2 times of Bekenstein-Hawking entropy-area formula in many cases of physical interest. In four dimensions, the universal relation is always true irrespective of the coefficients of the higher-order terms if the dilaton couplings are the same, which is the case for string effective theory, while in five dimensions, the relation again holds irrespective of the overall coefficient if the higher-order corrections are in the GB combination. We also discuss how this result generalizes to known physically interesting cases with Lovelock correction terms in various dimensions, and possible implications of the universal relation.
2008
ISSN1550-7998
Volume77Issue:6Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5567
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,Chen, Chiang-Mei,Maeda, Kei-Ichi,et al. Entropy function and universality of entropy-area relation for small black holes[J]. PHYSICAL REVIEW D,2008,77(6):-.
APA Cai, Rong-Gen,Chen, Chiang-Mei,Maeda, Kei-Ichi,Ohta, Nobuyoshi,Pang, Da-Wei,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.(2008).Entropy function and universality of entropy-area relation for small black holes.PHYSICAL REVIEW D,77(6),-.
MLA Cai, Rong-Gen,et al."Entropy function and universality of entropy-area relation for small black holes".PHYSICAL REVIEW D 77.6(2008):-.
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