Field Theory
The following sections are included:
Classical Relativistic Field Theory
Quantum Relativistic Field Theory
The Feynman Method of Quantization
The Schwinger Action Principle
The Field Equations
The Schrödinger Equation for the State-function
Operator Form of the Schwinger Principle
The Canonical Commutation Laws
The Heisenberg Equation of Motion for the Operators
General Covariant Commutation Laws
Anticommuting Fields