Non-geometric backgrounds based on topological interfaces

Material type: 文書・図像類

Author: Yuji, Satohほか

Publisher: Springer Berlin Heidelberg

Publication date: 2015-07-01

Material Format: Digital

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Note (General)：: We study simple models of the world-sheet CFTs describing non-geometric backgrounds based on the topological interfaces, the `gluing condition' of whi...

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Material Type: 文書・図像類
Title: Non-geometric backgrounds based on topological interfaces
Author/Editor: Yuji, Satoh
Yuji, Sugawara
Author Heading: Yuji, Satoh
Yuji, Sugawara
Publication, Distribution, etc.: Springer Berlin Heidelberg
Publication Date: 2015-07-01
Publication Date (W3CDTF): 2015-07-01
Periodical title: Journal of High Energy Physics
No. or year of volume/issue: 2015 1507
Volume: 2015
Issue: 1507
ISSN (Periodical Title): ISSN : 1029-8479
Text Language Code: eng
Subject Heading: Conformal Field Models in String Theory
Space-Time Symmetries
Superstring Vacua String Duality
Target Audience: 一般
Note (General): We study simple models of the world-sheet CFTs describing non-geometric backgrounds based on the topological interfaces, the `gluing condition' of which imposes T-duality- or analogous twists. To be more specific, we start with the torus partition function on a target space S1[base] × (S1 × S1)[fiber] with rather general values of radii. The fiber CFT is defined by inserting the twist operators consisting of the topological interfaces which lie along the cycles of the world-sheet torus according to the winding numbers of the base circle. We construct the partition functions involving such duality twists. The modular invariance is achieved straightforwardly, whereas `unitarization' is generically necessary to maintain the unitarity. We demonstrate it in the case of the equal fiber radii. The resultant models are closely related to the CFTs with the discrete torsion. The unitarization is also physically interpreted as multiple insertions of the twist/interface operators along various directions.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=24239&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=24239&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Related Material (DOI): 10.1007/JHEP07(2015)022
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