Drinfeld Twists and Symmetric Bethe Vectors of Supersymmetric Fermion Models
Shao-You Zhao, Wen-Li Yang, Yao-Zhong Zhang
Abstract
We construct the Drinfeld twists (factorizing F-matrices) of the gl(m|n)-invariant fermion model. Completely symmetric representation of the pseudo-particle creation operators of the model are obtained in the basis provided by the F-matrix (the F-basis). We resolve the hierarchy of the nested Bethe vectors in the F-basis for the gl(m|n) supersymmetric model.
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