Abstract
The chromo-dielectric mechanism of absolute confinement is studied in the nontopological soliton model. The model lagrangian is chirally invariant, since it contains no direct coupling between the quarks and the scalar field. The static chromo-electric gluon propagator is calculated in medium in the one-loop approximation, and the ultraviolet divergence in the self-energy of fixed quarks is regulated by a form factor. Effective quark-scalar coupling emerges through the self-energy of the quarks in the dielectric medium, which is a function of the scalar field.
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