Fixed point resolution in extended WZW models |
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| Institution: | 1. Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, 250012, China;2. School of Mechanical Engineering, University of Jinan, Jinan 250022, China;3. Department of Stomatology, Central Hospital Affiliated to Shandong First Medical University, Jinan 250012, China |
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| Abstract: | A formula is derived for the fixed point resolution matrices of simple current extended WZW models and coset conformal field theories. Unlike the analogous matrices for unextended WZW models, these matrices are in general not symmetric, and they may have field-dependent twists. They thus provide non-trivial realizations of the general conditions presented in earlier work with Fuchs and Schweigert. |
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