Relativistic Quantum Mechanics
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This chapter is concerned with the one-particle Dirac theory. It is not entirely correct to use the notion “particle” because, as we will see, there is no consistent physical interpretation of this theory. Nevertheless, we must study it in great detail since later, after transforming it into a quantum field theory, it will lead us to the correct physical theory.
KeywordsGauge Transformation Dirac Equation Gauge Invariance Lorentz Transformation Spinor Representation
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