Critical dimensions for chiral bosons

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43 Scopus citations


We give the Lagrangian formulation of a Bose model in 1+1 dimensions which describes a free chiral Lie-algebra-valued current. This model is a non-Abelian generalization of the chiral scalar model of Siegel. Both the Abelian and non-Abelian actions have a gauge invariance, which becomes anomalous when the models are quantized. The condition that this anomaly be canceled coincides with the string no-ghost condition.

Original languageEnglish (US)
Pages (from-to)3067-3069
Number of pages3
JournalPhysical Review D
Issue number10
StatePublished - 1988

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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