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most citedExact solution of the open XXZ chain with general integrable boundary terms at roots of unity

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hep-th2010

NLIE and finite size effects of the spin-1/2 XXZ and sine-Gordon models with two boundaries revisited

Rajan Murgan

Starting from the T-Q equation of an open integrable spin-1/2 XXZ quantum spin chain with nondiagonal boundary terms, we derive a nonlinear integral equation (NLIE) of the sine-Gor…