de Broglie-Bohm formulation of Dirac fields

We present the theory of Dirac spinors in the formulation given by Bohm on the idea of de Broglie: the quantum relativistic matter field is equivalently re-written as a special type of classical fluid and in this formulation it is shown how a relativistic environment can host the non-local aspects of the above-mentioned hidden-variables theory. Sketches for extensions are given at last.Comment: 9 pages --- this preprint has been accepted as is for publication in the Topical Collection on the de Broglie-Bohm theory in Foundations of Physics and its Version of Record can be found at https://link.springer.com/collections/bjjghiiic