Facets of confinement and dynamical chiral symmetry breaking

Details Facets of confinement and dynamical chiral symmetry breaking Facets of confinement and dynamical chiral symmetry breaking

2002-08-29

arxiv.org/abs/nucl-th/0208071v1

Eur.Phys.J.A18:231-235,2003

Physics

Nuclear Physics

Nuclear Theory

5 pages, 3 figures; contribution to the proceedings of Quark Nuclear Physics (QNP 2002), Juelich, Germany, 9-14 Jun 2002

Scientific paper

10.1140/epja/i2002-10206-6

The gap equation is a cornerstone in understanding dynamical chiral symmetry breaking and may also provide clues to confinement. A symmetry-preserving truncation of its kernel enables proofs of important results and the development of an efficacious phenomenology. We describe a model of the kernel that yields: a momentum-dependent dressed-quark propagator in fair agreement with quenched lattice-QCD results; and chiral limit values: f_pi= 68 MeV and = -(190 MeV)^3. It is compared with models inferred from studies of the gauge sector.

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