Chinese Physics Letters

Exact Solution for Perk-Schultz Model with Boundary Impurities

Guang-Liang Li, Rui‐Hong Yue, Shi Kang-Jie, Bo-Yu Hou

Published Feb 8, 2001• 23 citations

Abstract

The Perk-Schultz model with SU q ( m | n ) spin boundary impurities is constructed by dressing the c -number reflecting K -matrix with the local L -matrix which acts non-trivially on an impurity Hilbert space. The eigenvalue of the transfer matrix and the corresponding Bethe ansatz equations with different c -number reflecting K -matrices are obtained by using the nested Bethe ansatz method ( m ≠ n ). When m = 1, n = 2, our results come back to that of supersymmetric t - J model with SU q (1|2) spin boundary impurities.

DOI: 10.1088/0256-307x/18/3/302

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