On the second reference state and complete eigenstates of the open XXZ chain
classification
✦ hep-th
cond-mat.str-elmath-phmath.MPnlin.SInucl-th
keywords
bethesecondassociatedchaincompleteeigenstatesopenreference
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The second reference state of the open XXZ spin chain with non-diagonal boundary terms is studied. The associated Bethe states exactly yield the second set of eigenvalues proposed recently by functional Bethe Ansatz. In the quasi-classical limit, two sets of Bethe states give the complete eigenstates of the associated Gaudin model.
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