Boundary K-matrices for the XYZ, XXZ and XXX spin chains

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, , Citation H J de Vega and A Gonzalez-Ruiz 1994 J. Phys. A: Math. Gen. 27 6129 DOI 10.1088/0305-4470/27/18/021

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1 LPTHE, Paris VI Univ., France

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0305-4470/27/18/6129

Abstract

The general solutions for the factorization equations of the reflection matrices K+or-( theta ) for the eight-vertex and six-vertex models (XYZ, XXZ and XXX chains) are found. The associated integrable magnetic Hamiltonians are derived explicitly, finding families depending on several continuous as well as discrete parameters.

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