A new family of SU ( 2 ) symmetric integrable sigma models

Abstract

A new family of SU (2) symmetric integrable sigma models Abstract Local Lagrangeans are derived for a class of SU (2) invariant sigma models admitting two commuting Kac-Moody algebras at the level of Poisson brackets. The one loop renormalizability of these models is established. Some heuristic arguments are presented in favour of their quantum… (More)

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