Dynamical symmetry breaking in 2+1 dimensions

Rosenstein Baruch*, Brian J. Warr

*Corresponding author for this work

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

The U(n)v×U(n)A four-Fermi model in 2+1 dimensions is renormalizable and exhibits dynamical symmetry breaking. We prove Goldstone's theorem to all orders in 1/Nf expansion. We calculate the low energy interactions of fermions and Goldstone bosons, and explicity verify the Goldberger-Trieman relation.

Original languageEnglish
Pages (from-to)465-469
Number of pages5
JournalPhysics Letters B
Volume218
Issue number4
DOIs
StatePublished - 2 Mar 1989

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