2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132539We propose a new mechanism for a ''small" violation of Pauli Principle in the framework of Quantum Field Theory. Instead of modification of algebra - commutation relations for fields - we introduce spontaneous violation of Pauli Principle which is proportional to the vacuum fermionic condensate.Presented at Les Rencontres de Physique de La Vallee d'Aoste, March 4-10, 2007, La Thuile, Aosta Valley, ItalyHigh Energy Physics - Phenomenologytext