Abelian Fock-Schwinger representation for the quark propagator in external gauge field

Abstract

We develop the Diakonov-Petrov approach to the representation of the non-Abelian Wilson loop in an Abelian form. First of all, we extend this approach to the Abelian representation of the parallel transporter corresponding to the open curve rather than to the closed contour. Next, we extend this representation to the case of the non-compact groups. The obtained expressions allow to derive the Abelian form of the Schwinger-Fock representation for the quark propagator in an external color gauge field.

Latex, 12 pages

References in corpus (3)

• The Feynman-Schwinger representation in QCD
• Field Correlator Method for the confinement in QCD
• Abelian representation for nonabelian Wilson loops and the Non - Abelian Stokes theorem on the lattice

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