A construction for R-matrices without difference property in the spectral parameter
arXiv:solv-int/9907010 · doi:10.1016/S0375-9601(99)00839-7
Abstract
A new construction is given for obtaining R-matrices which solve the McGuire-Yang-Baxter equation in such a way that the spectral parameters do not possess the difference property. A discussion of the derivation of the supersymmetric U model is given in this context such that applied chemical potential and magnetic field terms can be coupled arbitrarily. As a limiting case the Bariev model is obtained.
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