About Lecture 1 | Quantum Field Theory (Cambridge) 剑桥大学 量子场论 1

Feynman Propagator Delta Function Singularities Localized Field Excitations and Causality, and Noether Currents in QFT The Interaction Picture and the S-Matrix Quantum Electrodynamics: Photon Masslessness and Polarization from Gauge Symmetry Quantum Field Theory Wick Theorem Vacuum Expectation Values Derivation Covariant Quantization of Gauge Fields One-Particle States in Quantum Field Theory Feynman Diagrams for Scalar Field Theory Symmetries and Conserved Currents in Field Theory Canonical Quantization of Fields into Fock Space via Mode Operators Dirac Equation in Quantum Field Theory Quantizing Fermion Fields Dirac Action and Spinor Fields