Quantum Field Theory

Interactions of a point particle.

Interactions of a point particle; Symmetries and conservation laws; fundamental invariants; energy-momentum tensor; Neother's theorem; Green's functions; Radiations; Relativistic Wave equations: the Klein-Gordon equation; Dirac equation and the Weyl equation; Dirac propagator; Quantization of fields: scalar field charged scalar field; quantized radiation field; massive vector fields; Interaction with external fields: emission probabilities; Compton effect; Pair creation and annihilation; Bremmstrahlung etc; perturbation theory; Feynman rules; Feynman diagrams; Radiative corrections and renormalization: vacuum corrections; electron propagator; vertex functions; the Lamb shift; the anomalous magnetic moment; Functional methods; Introduction to Gauge Field theories