2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149102We discuss a possible approach to the problem of a gauge theory with a strong coupling constant. It is seen that, instead of plane waves, we have to consider the adiabatic eigenstates of the perturbation in order to get a meaningful perturbation approach.4 pages, LaTeXHigh Energy Physics - Theorytext