Chiral symmetry breaking solutions for QCD in the truncated Coulomb gauge
P. J. A. Bicudo, A. V. Nefediev
Abstract
In this paper we study the power-like confining potentials ralpha. The region of allowed alphas is identified, the mass-gap equation is constructed for an arbitrary alpha and solved for several values of the latter, and the vacuum energy and the chiral condensate are calculated. The question of replica solutions to the mass-gap equation for such potentials is addressed and it is demonstrated that the number of replicas is infinite for any alpha, as a consequence of the peculiar behaviour of the quark self-energy in the infrared domain.
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