Knizhnik-Zamolodchikov-Bernard equations connected with the eight-vertex model

H. Babujian, A. Lima-Santos, R. H. Poghossian

Using quasiclassical limit of Baxter's 8 - vertex R - matrix, an elliptic generalization of the Knizhnik-Zamolodchikov equation is constructed. Via Off-Shell Bethe ansatz an integr…