Matrix difference equations for the supersymmetric Lie algebra sl(2,1) and the `off-shell' Bethe ansatz

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, , Citation T Quella 2000 J. Phys. A: Math. Gen. 33 2579 DOI 10.1088/0305-4470/33/13/310

0305-4470/33/13/2579

Abstract

Based on the rational R -matrix of the supersymmetric sl (2,1) matrix difference equations are solved by means of a generalization of the nested algebraic Bethe ansatz. These solutions are shown to be of highest weight with respect to the underlying graded Lie algebra structure.

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10.1088/0305-4470/33/13/310