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

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Abstract

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 hueristic arguments are presented in favour of their quantum integrability.

Original languageEnglish
Pages (from-to)403-408
Number of pages6
JournalPhysics Letters B
Volume324
Issue number3-4
DOIs
Publication statusPublished - Apr 7 1994

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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