Algebraic Bethe ansatz for open XXX model with triangular boundary matrices

Abstract

We consider open XXX spins chain with two general boundary matrices submitted to one constraint, which is equivalent to the possibility to put the two matrices in a triangular form. We construct Bethe vectors from a generalized algebraic Bethe ansatz. As usual, the method also provides Bethe equations and transfer matrix eigenvalues.

10 pges

References in corpus (5)

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• Separation of Variables in the open XXX chain
• Eigenvectors of open XXZ and ASEP models for a class of non-diagonal boundary conditions
• Exact solutions and elementary excitations in the XXZ spin chain with unparallel boundary fields

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