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Chiral symmetry breakdown: III. Delbourgo’s gauge technique

By D. Atkinson, A. Hulsebos and P. W. Johnson

Abstract

The quark propagator in massless quantum chromodynamics (QCD) is analyzed using the gauge technique. In both the Feynman and Landau gauges with a Pauli–Villars cutoff, a chirally symmetric solution is found, while a nonsymmetric solution appears at a critical coupling λc>0. As the cutoff is removed, λc tends to 0 but the nonsymmetric solution vanishes in the continuum limit, so that chiral symmetry is then restored

Year: 1987
DOI identifier: 10.1063/1.527652
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Provided by: NARCIS
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