Matrix difference equations for the supersymmetric Lie algebra sl(2,1) and the `off-shell' Bethe ansatz
arXiv:hep-th/9911213 · doi:10.1088/0305-4470/33/13/310
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.
10 pages, LaTex, references and acknowledgements added, spl(2,1) now called sl(2,1)