An open-boundary integrable model of three coupled XY spin chains

Details An open-boundary integrable model of three coupled XY spin chains An open-boundary integrable model of three coupled XY spin chains

1997-10-17

arxiv.org/abs/cond-mat/9710171v2

Nucl. Phys. B516 (1998) 603--622

Physics

Condensed Matter

Statistical Mechanics

One reference updated; to appear in Nucl. Phys. B

Scientific paper

10.1016/S0550-3213(98)00066-2

The integrable open-boundary conditions for the model of three coupled one-dimensional XY spin chains are considered in the framework of the quantum inverse scattering method. The diagonal boundary K-matrices are found and a class of integrable boundary terms is determined. The boundary model Hamiltonian is solved by using the coordinate space Bethe ansatz technique and Bethe ansatz equations are derived.

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