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arXiv · hep-th/9503139

On the Free Field Realization of Form Factors

M. R. Niedermaier
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Abstract

A method to construct free field realizations for the form factors of diagonal factorized scattering theories is described. Form factors are constructed from linear functionals over an associative `form factor algebra', which in particular generate solutions of the deformed Knizhnik-Zamolodchikov equations with parameter $2π$. We show that there exists a unique deformation off the (`Rindler') value $2π$ that preserves the original $S$-matrix and which allows one to realize form factors as vector functionals over an algebra of generalized vertex operators.

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M. R. Niedermaier. 1995-03-21. On the Free Field Realization of Form Factors. https://arxiv.org/abs/hep-th/9503139

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