2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55925Gauge field configurations appropriate for the infrared region of QCD are proposed. Using the usual QCD action, confinement is realized as in the London theory of Meissner effect.10 pages; LATEX fileHigh Energy Physics - TheoryInfrared region of QCD and confinementtext