Chiral Symmetry Breaking in QCD: I. The Infra-Red Domain

D. Atkinson; P. W. Johnson

doi:10.1103/PhysRevD.37.2290

Chiral Symmetry Breaking in QCD: I. The Infra-Red Domain

D. Atkinson
, P. W. Johnson

Research output: Contribution to journal › Article › Academic › peer-review

36 Citations (Scopus)

Abstract

The Dyson-Schwinger equation for the quark propagator is handled in the infrared in three ways: (i) by a sharp cutoff; (ii) by an automatic infrared cutoff, which yields a pseudolinear equation; (iii) by considering the full nonlinearity. The last treatment is rendered possible by detailed comparison with the pseudolinear case; and it is found that chiral symmetry can be dynamically broken if the effective coupling is strong enough.

Original language	English
Pages (from-to)	2290-2295
Number of pages	6
Journal	Physical Review D
Volume	37
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevD.37.2290
Publication status	Published - 15-Apr-1988

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title = "Chiral Symmetry Breaking in QCD: I. The Infra-Red Domain",

abstract = "The Dyson-Schwinger equation for the quark propagator is handled in the infrared in three ways: (i) by a sharp cutoff; (ii) by an automatic infrared cutoff, which yields a pseudolinear equation; (iii) by considering the full nonlinearity. The last treatment is rendered possible by detailed comparison with the pseudolinear case; and it is found that chiral symmetry can be dynamically broken if the effective coupling is strong enough.",

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N2 - The Dyson-Schwinger equation for the quark propagator is handled in the infrared in three ways: (i) by a sharp cutoff; (ii) by an automatic infrared cutoff, which yields a pseudolinear equation; (iii) by considering the full nonlinearity. The last treatment is rendered possible by detailed comparison with the pseudolinear case; and it is found that chiral symmetry can be dynamically broken if the effective coupling is strong enough.

AB - The Dyson-Schwinger equation for the quark propagator is handled in the infrared in three ways: (i) by a sharp cutoff; (ii) by an automatic infrared cutoff, which yields a pseudolinear equation; (iii) by considering the full nonlinearity. The last treatment is rendered possible by detailed comparison with the pseudolinear case; and it is found that chiral symmetry can be dynamically broken if the effective coupling is strong enough.

U2 - 10.1103/PhysRevD.37.2290

DO - 10.1103/PhysRevD.37.2290

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VL - 37

SP - 2290

EP - 2295

JO - Physical Review D

JF - Physical Review D

IS - 8

ER -

Chiral Symmetry Breaking in QCD: I. The Infra-Red Domain

Abstract

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