Abstract
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 0π = 68 MeV and \(\left\langle {\bar qq} \right\rangle = - {(190MeV)^3}\) . It is compared with models inferred from studies of the gauge sector.
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Maris, P., Raya, A., Roberts, C.D., Schmidt, S.M. (2003). Facets of confinement and dynamical chiral symmetry breaking. In: Elster, C., Speth, J., Walcher, T. (eds) Refereed and selected contributions from International Conference on Quark Nuclear Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-09712-0_23
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DOI: https://doi.org/10.1007/978-3-662-09712-0_23
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