Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 8, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP08(2014)032
Keywords
AdS-CFT Correspondence; Conformal Field Models in String Theory
Categories
Funding
- NSFC [11275010, 11335012, 11325522]
- National Natural Science Foundations of China [10947203]
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In this paper, we calculate the Renyi entropy of one single interval on a circle at finite temperature in 2D CFT. In the low temperature limit, we expand the thermal density matrix level by level in the vacuum Verma module, and calculate the first few leading terms in e(-pi/TL) explicitly. On the other hand, we compute the same Renyi entropy holographically. After considering the dependence of the Renyi entropy on the temperature, we manage to fix the interval-independent constant terms in the classical part of holographic Renyi entropy. We furthermore extend the analysis in [9] to higher orders and find exact agreement between the results from field theory and bulk computations in the large central charge limit. Our work provides another piece of evidence to support holographic computation of Renyi entropy in AdS(3)/CFT2 correspondence, even with thermal effect.
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