Friday, July 19, 2013

1307.5049 (Rafael I. Nepomechie)

Inhomogeneous T-Q equation for the open XXX chain with general boundary
terms: completeness and arbitrary spin

Rafael I. Nepomechie
An inhomogeneous T-Q equation has recently been proposed by Cao, Yang, Shi and Wang for the open spin-1/2 XXX chain with general (nondiagonal) boundary terms. We argue that a simplified version of this equation describes all the eigenvalues of the transfer matrix of this model. We also propose a generating function for the inhomogeneous T-Q equations of arbitrary spin.
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