Finite size effects and the supersymmetric sine-Gordon models
Abstract
We propose nonlinear integral equations to describe the groundstate energy of the fractional supersymmetric sine-Gordon models. The equations encompass the N=1 supersymmetric sine-Gordon model as well as the phi(id,id,adj) perturbation of the SU(2)L x SU(2)K /SU(2)(L+K) models at rational level K. A second set of equations are proposed for the groundstate energy of the N=2 supersymmetric sine-Gordon model.
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