2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93050The extended Dirac's principle describes the interference between different particles as an effect of the multiparticle system with itself. In this paper we present a novel example, based on the detection of particles emitted in multimode states by independent sources, which illustrates in a simple way the necessity of extending the original Dirac's criterion.Quantum Physicstext