A note on the resolution of the entropy discrepancy

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	A note on the resolution of the entropy discrepancy
	Huang, Y; Miao, RX
刊名	PHYSICS LETTERS B
	2015
卷号	749 期号:0 页码:489-494
通讯作者	Miao, RX (reprint author), Max Planck Inst Gravitat Phys, Albert Einstein Inst, Muhlenberg 1, D-14476 Golm, Germany.
英文摘要	It was found by Hung, Myers and Smolkin that there is entropy discrepancy for the CFTs in 6-dimensional space-time, between the field theoretical and the holographic analyses. Recently, two different resolutions to this puzzle have been proposed. One of them suggests to utilize the anomaly-like entropy and the generalized Wald entropy to resolve the HMS puzzle, while the other one initiates the use of the entanglement entropy which arises from total derivative terms in the Weyl anomaly to explain the HMS mismatch. We investigate these two proposals carefully in this note. By studying the CFTs dual to Einstein gravity, we find that the second proposal cannot solve the HMS puzzle. Moreover, the Wald entropy formula is not well-defined on horizon with extrinsic curvatures, in the sense that, in general, it gives different results for equivalent actions. (C) 2015 Published by Elsevier B.V.
学科主题	Astronomy & Astrophysics ; Physics
类目[WOS]	Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
关键词[WOS]	BLACK-HOLE ENTROPY
收录类别	SCI
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/20834]
专题	理论物理研究所_理论物理所1978-2010年知识产出
推荐引用方式 GB/T 7714	Huang, Y,Miao, RX. A note on the resolution of the entropy discrepancy[J]. PHYSICS LETTERS B,2015,749(0):489-494.
APA	Huang, Y,&Miao, RX.(2015).A note on the resolution of the entropy discrepancy.PHYSICS LETTERS B,749(0),489-494.
MLA	Huang, Y,et al."A note on the resolution of the entropy discrepancy".PHYSICS LETTERS B 749.0(2015):489-494.