Galois Modular Invariants of WZW Models

Abstract

The set of modular invariants that can be obtained from Galois transformations is investigated systematically for WZW models. It is shown that a large subset of Galois modular invariants coincides with simple current invariants. For algebras of type B and D infinite series of previously unknown exceptional automorphism invariants are found.

arXiv commentphyzzx macros, 38 pages. NIKHEF-H/94-31

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