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题名: BPS spectrum on AdS(3)xS(3)xS(3)xS(1)
作者: Eberhardt, L ;  Gaberdiel, MR ;  Gopakumar, R ;  Li, W
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2017
期号: 3, 页码:124
关键词: AdS-CFT Correspondence ;  Extended Supersymmetry ;  Supergravity Models
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP03(2017)124
通讯作者: Eberhardt, L (reprint author), ETH, Inst Theoret Phys, CH-8093 Zurich, Switzerland.
文章类型: Article
英文摘要: The BPS spectrum of string theory on AdS(3) x S-3 x S-3 x S-1 is determined using a world -sheet description in terms of WZW models. It is found that the theory only has BPS states with j(+) = j(-) where j(+) refer to the spins of the zu(2) algebras of the large N = 4 superconformal algebra. We then re-examine the BPS spectrum of the corresponding supergravity and find that, contrary to previous claims in the literature, also in supergravity only the states with j(+) = j(-) are BPS. This resolves a number of long-standing puzzles regarding the BPS spectrum of string theory and supergravity in this background.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: N=4 SUPERCONFORMAL ALGEBRA ;  2 CENTRAL EXTENSIONS ;  UNITARY REPRESENTATIONS ;  STRING THEORY ;  ADS(3) ;  DIMENSIONS ;  CHARACTERS ;  MODELS
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22102
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Recommended Citation:
Eberhardt, L,Gaberdiel, MR,Gopakumar, R,et al. BPS spectrum on AdS(3)xS(3)xS(3)xS(1)[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(3):124.
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