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Exact finite size spectrum in super sine-Gordon model

Arpad Hegedus, Francesco Ravanini, Junji Suzuki

hep-tharXiv:hep-th/0610012

Abstract

We present the coupled nonlinear integral equations (NLIE) governing the finite size effects in N=1 super sine-Gordon model for the vacuum as well as for the excited states. Their infrared limit correctly yields the scattering data of the super sine-Gordon S-matrix conjectured by Ahn. Ultraviolet analysis is in agreement with the expected conformal data of c=3/2 CFT. Conformal perturbation theory further corroborates this result.

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