Abstract
Two series of integrable theories are constructed which have soliton solutions and can be thought of as generalizations of the sine-Gordon theory. They exhibit internal symmetries and can be described as gauged WZW theories with a potential term. The spectrum of massive states is determined.
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APA
Fernández-Pousa, C. R., Gallas, M. V., Hollowood, T. J., & Miramontes, J. L. (1997). The symmetric space and homogeneous sine-Gordon theories. Nuclear Physics B, 484(3), 609–630. https://doi.org/10.1016/S0550-3213(96)00603-7
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