A NEW FAMILY OF SU(2) SYMMETRICAL INTEGRABLE σ-MODELS
WoS ID: A1994NF46200023
Scopus ID: 0000118677
Local Lagrangians 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 integrability.