Entanglement entropy of two disjoint intervals in conformal field theory
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Publication:5220520
DOI10.1088/1742-5468/2009/11/P11001zbMATH Open1456.81360arXiv0905.2069OpenAlexW3104201515MaRDI QIDQ5220520
Author name not available (Why is that?)
Publication date: 27 March 2020
Published in: (Search for Journal in Brave)
Abstract: We study the entanglement of two disjoint intervals in the conformal field theory of the Luttinger liquid (free compactified boson). Tr
ho_A^n for any integer n is calculated as the four-point function of a particular type of twist fields and the final result is expressed in a compact form in terms of the Riemann-Siegel theta functions. In the decompactification limit we provide the analytic continuation valid for all model parameters and from this we extract the entanglement entropy. These predictions are checked against existing numerical data.
Full work available at URL: https://arxiv.org/abs/0905.2069
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