hbar-(Yangian) Deformation of Miura Map and Virasoro Algebra

Abstract

An hbar-deformed Virasoro Poisson algebra is obtained using the Wakimoto realization of the Sugawara operator for the Yangian double DY_\hbar(sl_2)_c at the critical level c=-2.

LaTeX file, 43kb, No Figures. Serious misprints corrected, one more reference to E. Frenkel added

References in corpus (1)

• A $\hslash$-deformed Virasoro Algebra as Hidden Symmetry of the Restricted sine-Gordon Model

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