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Thermodynamic limit of the two-spinon form factors for the zero field XXX chain (1903.09058v2)
Published 21 Mar 2019 in math-ph, cond-mat.stat-mech, hep-th, math.MP, and nlin.SI
Abstract: In this paper we propose a method based on the algebraic Bethe ansatz leading to explicit results for the form factors of quantum spin chains in the thermodynamic limit. Starting from the determinant representations we retrieve in particular the formula for the two-spinon form factors for the isotropic XXX Heisenberg chain obtained initially in the framework of the $q$-vertex operator approach.
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