Notes on QFT

My Own Note on Quantum Field Theory

Part 2. Classical Field Theory

Chapter 04. Group Theory

Chapter 05. Lorentz Symmetry

Chapter 06. Formalism of Classical Field Theory

Chapter 07. Free Field Theory

Chapter 08. Interacting Field Theory

Chapter 09. Noether's Theorem

Chapter 10. Discrete Symmetry

Part 3. Tree-level Quantum Field Theory

Chapter 11. Canonical Quantization

Chapter 12. Perturbative Interaction

Chapter 13. Cross Sections and Decay Rates

Chapter 14. Quantum Electrodynamics

Chapter 15. Path Integral