Entanglement through conformal interfaces

Material type: 文書・図像類

Author: Sakai, Kazuhiroほか

Publisher: IOP Publishing

Publication date: 2008-12-01

Material Format: Digital

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Note (General)：: We consider entanglement through permeable interfaces We compute the partition functions with the interfaces inserted. By the replica trick, the entan...

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Material Type: 文書・図像類
Title: Entanglement through conformal interfaces
Author/Editor: Sakai, Kazuhiro
Satoh, Yuji
Author Heading: Sakai, Kazuhiro
Satoh, Yuji
Publication, Distribution, etc.: IOP Publishing
Publication Date: 2008-12-01
Publication Date (W3CDTF): 2008-12-01
Periodical title: Journal of High Energy Physics
No. or year of volume/issue: 2008 JHEP12(2008)
Volume: 2008
Issue: JHEP12(2008)
ISSN (Periodical Title): ISSN : 1029-8479
Text Language Code: eng
Subject Heading: Field Theories in Lower Dimensions
Conformal and W Symmetry
Boundary Quantum Field Theory
Conformal Field Models in String Theory
Target Audience: 一般
Note (General): We consider entanglement through permeable interfaces We compute the partition functions with the interfaces inserted. By the replica trick, the entanglement entropy is obtained analytically. The entropy scales logarithmically with respect to the size of the system, similarly to the universal scaling of the ordinary entanglement entropy in (1+1)-dimensional conformal field theory. Its coefficient, however, is not constant but controlled by the permeability, the dependence on which is expressed through the dilogarithm function. The sub-leading term of the entropy counts the winding numbers, showing an analogy to the topological entanglement entropy which characterizes the topological order in (2+1)-dimensional systems.
Access Restrictions: 限定公開
Related Material (DOI): 10.1088/1126-6708/2008/12/001
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ