Bethe Ansatz solution of the open XXZ chain with nondiagonal boundary terms

Abstract

We propose a set of conventional Bethe Ansatz equations and a corresponding expression for the eigenvalues of the transfer matrix for the open spin-1/2 XXZ quantum spin chain with nondiagonal boundary terms, provided that the boundary parameters obey a certain linear relation.

arXiv comment11 pages, LaTeX; amssymb, amsmath, no figures; v2: citation added

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