"Explicit versus dynamical" breaking of chiral symmetry

Baruch Rosenstein*, Brian J. Warr, Seon H. Park

*Corresponding author for this work

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

We study the explicit and dynamical breaking of chiral symmetry in the (2+1)-dimensional four-Fermi model. The model is renormalizable in the 1 Nf expansion. We calculate the masses of the fermions and pseudo-Goldstone bosons in terms of the explicit breaking parameters. The bound "σ meson" present in the chiral limit becomes a resonance.

Original languageEnglish
Pages (from-to)469-473
Number of pages5
JournalPhysics Letters B
Volume219
Issue number4
DOIs
StatePublished - 23 Mar 1989

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