Light-cone representation of the quark Schwinger-Dyson equation

Details Light-cone representation of the quark Schwinger-Dyson equation Light-cone representation of the quark Schwinger-Dyson equation

2001-10-08

arxiv.org/abs/hep-ph/0110111v1

Phys.Rev. C66 (2002) 045206

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, 10 figures

Scientific paper

10.1103/PhysRevC.66.045206

We use a light-cone approach to solve the Schwinger-Dyson equation for the quark propagator. We show how this method can be used to solve the equation beyond the space-like region, to which one is usually restricted with the usual Euclidean-space approach. We work in the Landau gauge, and use an infrared-enhanced model for the gluon propagator and include instanton effects to get both confinement and vacuum condensates. With our models, reasonable fits to known quantities are obtained, resulting in a light-cone quark propagator that can be used for hadronic physics at all momentum transfers.

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