(1) Laboratoire Léon Brillouin, C.E.A./C.N.R.S., F-91191 Gif-sur-Yvette Cedex, France;(2) Neutron Scattering Project, I.I.K.W., University of Antwerp, B-2620 Wilrijk, Belgium
Abstract:
We give a simple deductive derivation of the Dirac equation for a free particle. Our construction provides a clear distinction between what are the physical contents and what are purely mathematical expedients in the formalism of quantum mechanics (QM).