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Elements of classical field theory, Noether's theorem, the Klein-Gordon (KG) field in space-time, quantization of KG field, the Maxwell field and its quantization, the Dirac field, quantization of Dirac field, interacting fields and Feynman diagrams, Feynman rules for quantum electrodynamics (QED), elementary process of QED, S-matrix, crossing symmetry, radiative corrections, infrared divergencies, Lehmann-Symanzik-Zimmerman reduction formula, the optical theorem, the Ward-Takahashi identities, renormalization of electric charge.
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QUANTUM FIELD THEORY
