2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54626Two-dimensional QED with N-flavor fermions serves as a model of quark dynamics in QCD as well as an effective theory of an anti-ferromagnetic spin chain. It is reduced to N-degree quantum mechanics in which a potential is self-consistently determined by the Schrödinger equation itself.5 pages. 1 ps file and sprocl.sty attached. To appear in the Proceedings of the 2nd Sakharov Conference, Moscow, May 1996High Energy Physics - TheoryCondensed MatterHigh Energy Physics - Phenomenologytext