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Entropy of the isolated horizon from the surface term of gravitational action
Zhang, CY; Tian, Y; Wu, XN; Zhang, SJ; Zhang, CY (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China.
2014
发表期刊CLASSICAL AND QUANTUM GRAVITY
ISSN0264-9381
卷号31期号:19页码:195002
摘要Starting from the surface term of gravitational action, one can construct a Virasoro algebra with central extension, with which the horizon entropy can be derived using the Cardy formula. This approach provides a new routine for calculating and interpreting the horizon entropy. In this paper, we generalize this approach to a more general case, the isolated horizon, which contains non-stationary spacetimes beyond stationary ones. By imposing appropriate boundary conditions near the horizon, the full set of diffeomorphisms is restricted to a subset where the corresponding Noether charges form a Virasoro algebra with central extension. Then by using the Cardy formula, we can derive the entropy of the isolated horizon.
部门归属[Zhang, Cheng-Yong ; Zhang, Shao-Jun] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China ; [Tian, Yu] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China ; [Wu, Xiao-Ning] Chinese Acad Sci, Acad Math & Syst Sci, Inst Math, Beijing 100190, Peoples R China ; [Tian, Yu ; Wu, Xiao-Ning] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China ; [Wu, Xiao-Ning] Chinese Acad Sci, Hua Loo Keng Key Lab Math, Beijing 100190, Peoples R China
关键词Vacuum Field-equations Initial Value-problem Geometry Gravity
学科领域Physics
DOI10.1088/0264-9381/31/19/195002
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000343411400002
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15624
专题理论物理所SCI论文
通讯作者Zhang, CY (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China.
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GB/T 7714
Zhang, CY,Tian, Y,Wu, XN,et al. Entropy of the isolated horizon from the surface term of gravitational action[J]. CLASSICAL AND QUANTUM GRAVITY,2014,31(19):195002.
APA Zhang, CY,Tian, Y,Wu, XN,Zhang, SJ,&Zhang, CY .(2014).Entropy of the isolated horizon from the surface term of gravitational action.CLASSICAL AND QUANTUM GRAVITY,31(19),195002.
MLA Zhang, CY,et al."Entropy of the isolated horizon from the surface term of gravitational action".CLASSICAL AND QUANTUM GRAVITY 31.19(2014):195002.
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