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Entanglement entropy of two disjoint intervals in conformal field theory

Abstract:

We study the entanglement of two disjoint intervals in the conformal field theory of the Luttinger liquid (free compactified boson). Tr ρAn for any integer n is calculated as the four-point function of twist fields of a particular type 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 pred...

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Journal:
Journal of Statistical Mechanics: Theory and Experiment
Volume:
2009
Issue:
11
Publication date:
2009-01-01
DOI:
EISSN:
1742-5468
ISSN:
1742-5468
Source identifiers:
240755
Language:
English
Keywords:
Pubs id:
pubs:240755
UUID:
uuid:f8bc0c86-6b69-443c-ba62-40517c662593
Local pid:
pubs:240755
Deposit date:
2012-12-19

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