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Drinfeld twists of the open XXZ chain with non-diagonal boundary terms (1011.4120v1)
Published 18 Nov 2010 in hep-th, math-ph, and math.MP
Abstract: The Drinfeld twists or factorizing F-matrices for the open XXZ spin chain with non-diagonal boundary terms are constructed. It is shown that in the F-basis the two sets of pseudo-particle creation operators simultaneously take completely symmetric and polarization free form. The explicit and completely symmetric expressions of the two sets of Bethe states of the model are obtained.