Dynamical Symmetry Breaking in a Gauge Theory ``Thirring Model''
classification
✦ hep-ph
keywords
dynamicalgaugemodelsymmetrytheorythirringanalysisapproaches
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Dynamical fermion mass generation is studied in the three-dimensional Thirring model reformulated as a gauge theory by introducing hidden local symmetry. The analysis by use of Schwinger-Dyson equation is shown to exhibit a critical behavior as the number $N$ of four-component fermions approaches $N_{\rm cr}=128/3\pi^{2}$.
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