S-matrices for Perturbed N=2 Superconformal Field Theory from quantum groups
Abstract
S-matrices for integrable perturbations of N=2 superconformal field theories are studied. The models we consider correspond to perturbations of the coset theory Gk × Hg-h /Hk+g-h . The perturbed models are closely related to G-affine Toda theories with a background charge tuned to H. Using the quantum group restriction of the affine Toda theories we derive the S-matrix.
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