Logarithmic Operators and Dynamical Extention of The Symmetry Group in the Bosonic SU(2)_0 and SUSY SU(2)_2 WZNW Models
arXiv:hep-th/9606138 · doi:10.1016/S0550-3213(97)00011-4
Abstract
We study the operator product expansion in the bosonic and SUSY WZNW models. We find that these OPEs contain both logarithmic operators and new conserved currents, leading to an extension of the symmetry group.
16 pages, Latex