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

Abstract

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.

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

References in corpus (1)

• Integrable open-boundary conditions for the $q$-deformed supersymmetric $U$ model of strongly correlated electrons

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