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Vertex Operators and Soliton Solutions of Affine Toda Model with U(2) Symmetry

I. Cabrera-Carnero, J. F. Gomes, G. M. Sotkov, A. H. Zimerman

hep-tharXiv:hep-th/0403042

Abstract

The symmetry structure of non-abelian affine Toda model based on the coset SL(3)/SL(2) U(1) is studied. It is shown that the model possess non-abelian Noether symmetry closing into a q-deformed SL(2) U(1) algebra. Specific two vertex soliton solutions are constructed.

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