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Huang, CG; Guo, HY; Wu, XN; Huang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
Diffeomorphism invariance and black hole entropy
Source PublicationPHYSICAL REVIEW D
KeywordConformal Field-theory Noether Charge Symmetries Dimension Constraints Spacetime Gravity Formula
AbstractThe Noether-charge and the Hamiltonian realizations for the diff(M) algebra in diffeomorphism-invariant gravitational theories without a cosmological constant in any dimension are studied in a covariant formalism. We analyze how the Hamiltonian functionals form the diff(M) algebra under the Poisson brackets and show how the Noether charges with respect to the diffeomorphism generated by the vector fields and their variations in n-dimensional general relativity form this algebra. The asymptotic behaviors of vector fields generating diffeomorphism of the manifold with boundaries are discussed. It is shown that the "central extension" for a large class of vector fields is always zero on the Killing horizon. We also check whether choosing the vector fields near the horizon may pick up the Virasoro algebra. The conclusion is unfortunately negative in any dimension.
2003
ISSN0556-2821
Volume68Issue:10Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14197
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
Recommended Citation
GB/T 7714
Huang, CG,Guo, HY,Wu, XN,et al. Diffeomorphism invariance and black hole entropy[J]. PHYSICAL REVIEW D,2003,68(10):-.
APA Huang, CG,Guo, HY,Wu, XN,&Huang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China..(2003).Diffeomorphism invariance and black hole entropy.PHYSICAL REVIEW D,68(10),-.
MLA Huang, CG,et al."Diffeomorphism invariance and black hole entropy".PHYSICAL REVIEW D 68.10(2003):-.
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