Integrability of the WessZumino-Witten model as a non-ultralocal theory
S. Rajeev A. Stern, P. Vitale
Abstract
We consider the 2--dimensional Wess--Zumino--Witten (WZW) model in the canonical formalism introduced in a previous paper by two of us. Using an r--s matrix approach to non--ultralocal field theories we find the Poisson algebra of monodromy matrices and of conserved quantities with a new, non--dynamical, r matrix.
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