Petersburg Department of Steklov Institute of Mathematics

PREPRINT 9/1997

Deformed yangians and integrable models

This preprint was accepted May, 1997.
Contact: P. P. Kulish

Abstract: Twisted Hopf algebra $sl_\xi(2)$ gives rise to the deformation of the Yangian $\Cal Y(sl(2))$. The corresponding deformations of the integrable XXX-spin chain and the Gaudin model are discussed.

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