Entanglement entropy of two disjoint blocks in critical Ising models

Alba, Vincenzo, Tagliacozzo, Luca and Calabrese, Pasquale (2010) Entanglement entropy of two disjoint blocks in critical Ising models. Physical Review B - Condensed Matter and Materials Physics, 81 6: 060411-1-060411-4. doi:10.1103/PhysRevB.81.060411

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Author Alba, Vincenzo
Tagliacozzo, Luca
Calabrese, Pasquale
Title Entanglement entropy of two disjoint blocks in critical Ising models
Journal name Physical Review B - Condensed Matter and Materials Physics   Check publisher's open access policy
ISSN 1098-0121
1550-235X
Publication date 2010-02-22
Sub-type Article (original research)
DOI 10.1103/PhysRevB.81.060411
Open Access Status File (Publisher version)
Volume 81
Issue 6
Start page 060411-1
End page 060411-4
Total pages 4
Place of publication College Park, MD, U.S.A.
Publisher American Physical Society
Collection year 2011
Language eng
Abstract We study the scaling of the Rényi and entanglement entropy of two disjoint blocks of critical Ising models as function of their sizes and separations. We present analytic results based on conformal field theory that are quantitatively checked in numerical simulations of both the quantum spin chain and the classical two-dimensional Ising model. Theoretical results match the ones obtained from numerical simulations only after taking properly into account the corrections induced by the finite length of the blocks to their leading scaling behavior. © 2010 The American Physical Society.
Formatted abstract
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Keyword Conformal field-theory
Tonks-Girardeau gas
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published under Rapid Communications. Article # 060411.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Physical Sciences Publications
 
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Created: Sun, 21 Mar 2010, 00:01:27 EST