Galois modular invariants of WZW models

J. Fuchs, A.N. Schellekens, C. Schweigert
1995 Nuclear Physics B  
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.
doi:10.1016/0550-3213(94)00577-2 fatcat:l2hpytceyvan5miiakbe6hssiy