The gauging of two-dimensional bosonic sigma models on world-sheets with defects

Details The gauging of two-dimensional bosonic sigma models on world-sheets with defects The gauging of two-dimensional bosonic sigma models on world-sheets with defects

2012-02-27

arxiv.org/abs/1202.5808v1

Physics

High Energy Physics

High Energy Physics - Theory

94 pages, 1 figure

Scientific paper

We extend our analysis of the gauging of rigid symmetries in bosonic two-dimensional sigma models with Wess-Zumino terms in the action to the case of world-sheets with defects. A structure that permits a non-anomalous coupling of such sigma models to world-sheet gauge fields of arbitrary topology is analysed, together with obstructions to its existence, and the classification of its inequivalent choices.

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