Theory of nonabelian goldstone bosons in two dimensions

A. Polyakov, P. B. Wiegmann

Research output: Contribution to journalArticlepeer-review

662 Scopus citations


We present an exact theory of an O(4)-σ-model based on its relation to a certain fermionic model. The S-matrix and the vacuum energy in a constant external field are computed.

Original languageEnglish (US)
Pages (from-to)121-126
Number of pages6
JournalPhysics Letters B
Issue number1-3
StatePublished - Nov 10 1983

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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