2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/228758The angular momentum of the physical electron, modelled as a Dirac fermion coupled to the electromagnetic field, is found to be hbar/2, the same as that of a bare Dirac fermion and independent of the size of the electric charge.revision, 3 pages pdfQuantum Physicstext