**Subject:** 130(2): Quantum Field Theory of the Dirac Equation

**Date:** Wed, 15 Apr 2009 06:11:41 EDT

Attachment: a130thpapernotes2.pdf

This note gives the lagrangian background to the quantum field theory of the Dirac equation. The difference between the standard and ECE interpretations of the antiparticle is explained. The standard interpretation is rejected because of its use of unphysical negative energy on the classical level. The ECE interpretation is that the antiparticle of positive energy is generated from the particle of positive energy by reversing the sign of the c hirality operator, the Dirac gamma5 matrix. So the problem of negative energy does not arise at all in the ECE interpretation, in which the Dirac sea is not needed. The consequences of the new ECE interpretation will be worked out next using second qauntization and creation and annihilation operators. This will lead to Fermi Dirac statistics and the Pauli exclusion principle.

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