Unoriented WZW Models and Holonomy of Bundle Gerbes

被引：0
|
作者：
Urs Schreiber
Christoph Schweigert
Konrad Waldorf
机构：
[1] Universität Hamburg,Fachbereich Mathematik, Schwerpunkt Algebra und Zahlentheorie
来源：
Communications in Mathematical Physics | 2007年 / 274卷
关键词：
Line Bundle; Local Data; Target Space; Fundamental Domain; Local Section;
D O I：
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学科分类号：
摘要：
The Wess-Zumino term in two-dimensional conformal field theory is best understood as a surface holonomy of a bundle gerbe. We define additional structure for a bundle gerbe that allows to extend the notion of surface holonomy to unoriented surfaces. This provides a candidate for the Wess-Zumino term for WZW models on unoriented surfaces. Our ansatz reproduces some results known from the algebraic approach to WZW models.
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页码：31 / 64
页数：33
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