Exact Solution for Perk-Schultz Model with Boundary Impurities

Chin. Phys. Lett.

2001, Vol. 18

Issue (3): 316-318 DOI:

Original Articles

Exact Solution for Perk-Schultz Model with Boundary Impurities

LI Guang-Liang;YUE Rui-Hong;SHI Kang-Jie;HOU Bo-Yu

Institute of Modern Physics, Northwest University, Xi’an 710069

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LI Guang-Liang, YUE Rui-Hong, SHI Kang-Jie et al 2001 Chin. Phys. Lett. 18 316-318

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Abstract The Perk-Schultz model with SU_q(m\n) spin boundary impurities is constructed by dressing the c-number reflecting K matrix with 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 super-symmetric t-J model with SU_q(1\2) spin boundary impurities.

Keywords: 03.65.Fd 05.50.+q 04.20.Jb

Published: 01 March 2001

PACS:	03.65.Fd	(Algebraic methods)
	05.50.+q	(Lattice theory and statistics)
	04.20.Jb	(Exact solutions)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I3/0316

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