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题名: Renyi entropy of locally excited states with thermal and boundary effect in 2D CFTs
作者: Guo, WZ;  He, S
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2015
期号: 4, 页码:99
关键词: Field Theories in Lower Dimensions ;  Nonperturbative Effects
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP04(2015)099
通讯作者: Guo, WZ (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Zhong Guan Cun East St 55,POB 2735, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We study Renyi entropy of locally excited states with considering the thermal and boundary effects respectively in two dimensional conformal field theories (CFTs). Firstly, we consider locally excited states obtained by acting primary operators on a thermal state in low temperature limit. The Renyi entropy is summation of contribution from thermal effect and local excitation. Secondly, we mainly study the Renyi entropy of locally excited states in 2D CFT with a boundary. We show that the time evolution of Renyi entropy is affected by the boundary, but does not depend on the boundary condition. Moreover, we show that the maximal value of Renyi entropy always coincides with the log of quantum dimension of the primary operator. In terms of quasi-particle interpretation, the boundary behaves as an infinite potential barrier which reflects any energy moving towards it.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: CONFORMAL FIELD-THEORY ;  INVARIANT THEORIES ;  FUSION RULES ;  ALGEBRA
收录类别: SCI
项目资助者: Postgraduate Scholarship Program of China Scholarship Council ;  JSPS postdoctoral fellowship ;  National Natural Science Foundation of China [11305235]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21027
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Guo, WZ,He, S. Renyi entropy of locally excited states with thermal and boundary effect in 2D CFTs[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(4):99.
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