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题名: Diffeomorphism invariance and black hole entropy
作者: Huang, CG ;  Guo, HY ;  Wu, XN
刊名: PHYSICAL REVIEW D
出版日期: 2003
卷号: 68, 期号:10, 页码:-
关键词: CONFORMAL FIELD-THEORY ;  NOETHER CHARGE ;  SYMMETRIES ;  DIMENSION ;  CONSTRAINTS ;  SPACETIME ;  GRAVITY ;  FORMULA
学科分类: Physics
通讯作者: Huang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
部门归属: Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Max Planck Inst Gravitat Phys, D-14476 Golm, Germany
英文摘要: The 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000187004600038
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14197
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Huang, CG,Guo, HY,Wu, XN. Diffeomorphism invariance and black hole entropy[J]. PHYSICAL REVIEW D,2003,68(10):-.
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