Dynamically induced scalar quark confinement

Details Dynamically induced scalar quark confinement Dynamically induced scalar quark confinement

2006-07-26

arxiv.org/abs/hep-ph/0607293v2

Mod.Phys.Lett.A23:1105-1113,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures; v2: clarifications added and typos corrected, version to be published by MPLA

Scientific paper

10.1142/S021773230802700X

We employ a functional approach to investigate the confinement problem in quenched Landau gauge QCD. We demonstrate analytically that a linear rising potential between massive quarks is generated by infrared singularities in the dressed quark-gluon vertex. The selfconsistent mechanism that generates these singularities is driven by the scalar Dirac amplitudes of the full vertex and the quark propagator. These can only be present when chiral symmetry is broken. We have thus uncovered a novel mechanism that directly links chiral symmetry breaking with confinement.

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