Rényi Entropy for the $\sun1$ WZW model on the torus
arXiv:1510.05993
Abstract
The $\sun1$ WZW model is constructed on a n-sheeted branched torus, which allows the investigation of the Rényi entropy for a single interval at finite temperature. The small and large interval limits, as well as the low temperature expansion are presented for this theory.
v4. Typos corrected, remark added
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