Form factors of the XXZ model and the affine quantum group symmetry

Abstract

We present new expressions of form factors of the XXZ model which satisfy Smirnov's three axioms. These new form factors are obtained by acting the affine quantum group $U_q(\widehat{\mathfrak{s}{\mathfrak{l}}_2})$ to the known ones obtained in our previous works. We also find the relations among all the new and known form factors, i.e., all other form factors can be expressed as kind of descendents of a special one.

11 pages, latex; Some explanation is added

Cited by in corpus (2)

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