Confinement and gluon propagator in Coulomb gauge QCD

Details Confinement and gluon propagator in Coulomb gauge QCD Confinement and gluon propagator in Coulomb gauge QCD

2003-06-03

arxiv.org/abs/hep-ph/0306030v2

Phys.Rev. D69 (2004) 074031

Physics

High Energy Physics

High Energy Physics - Phenomenology

Corrected problems with printing, reference added

Scientific paper

10.1103/PhysRevD.69.074031

We consider the effects of the Faddeev-Popov determinant in the Coulomb gauge on the confinement properties of the QCD vacuum. We show that the the determinant is needed to regularize the otherwise divergent functional integrals near the Gribov horizon but still enables large field configurations to generate IR enhanced running coupling. The physical gluon propagator is found to be strongly suppressed in the IR consistent with expectations from lattice gauge calculations.

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