2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/117718A possibility of semiphenomenological description of vacuum effects in QCD quantized on the Light Front (LF) is discussed. A modification of the canonical LF Hamiltonian for QCD is proposed, basing on the detailed study of the exact description of vacuum condensate in QED(1+1) that uses correct form of LF Hamiltonian.LaTeX 2e, 9 pages, 2 figures. Proceedings of "Quarks-2006", St-Petersburg 2006High Energy Physics - TheoryQED(1+1) on the Light Front and its implications for semiphenomenological methods in QCD(3+1)text