On the Fundamental Origins of the Dirac Equation

Abstract

Despite its great success in explaining the physical world as we know it, the fundamental origins of the Dirac equation remains for the most part, enshrouded in deep mystery. What are the fundamental origins of this beautiful equation? To begin with, why does this equation exist and what does it tell us about the nature of spacetime or the World? Professor Dirac’s derivation of requiring that there exists a first order differential equation which upon ‘squaring’ reproduces the Klein-Gordon equation by no means offers any real and tangible clue as to its reason for existence. At best, Professor Dirac’s derivation is an agile, prudent, very wise and esoteric guess that led to an equation with a direct correspondence with experience. This reading makes the modest endeavour to unlock the fundamental origins of the Dirac equation from the vantage-point of a proposed Unified Field Theory whose succinct exposition we give herein.