Unoriented WZW models and holonomy of bundle gerbes

被引：41
|
作者：
Schreiber, Urs [1 ]
Schweigert, Christoph
Waldorf, Konrad
机构：
[1] Univ Hamburg, Fachbereich Math, Schwerpunkt Algebra & Zahlentheorie, D-20146 Hamburg, Germany
来源：
COMMUNICATIONS IN MATHEMATICAL PHYSICS | 2007年 / 274卷 / 01期
关键词：
Line Bundle; Local Data; Target Space; Fundamental Domain; Local Section;
D O I：
10.1007/s00220-007-0271-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
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. manche meinen lechts und rinks kann man nicht velwechsern werch ein illtum Ernst Jandl [Jan95].
引用
收藏
页码：31 / 64
页数：34
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