Fermion Fields and Their Properties
In this chapter we study the description of particles with spin 1/2 in a Lorentz invariant theory. The Dirac equation is derived in its natural framework: the spinor representations of SL(2,C). The properties of this equation and of its solutions are discussed in detail. The quantization of Dirac fields is developed in the light of covariance and causality, and all important consequences of quantization are worked out.
KeywordsDirac Equation Mass Term Lorentz Transformation Lagrange Density Lorentz Group
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