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8.323 Relativistic Quantum Field Theory I

8.323 Relativistic Quantum Field Theory I (Spring 2023, MIT OCW). Instructor: Prof. Hong Liu. This course is a one-term self-contained subject in quantum field theory. Concepts and basic techniques are developed through applications in elementary particle physics and condensed matter physics. (from ocw.mit.edu)

Lecture 01 - Classical Field Theories and Principle of Locality

Principle of locality, concept of classical fields, different types of fields, action principle, classical equations of motion, examples of classical field theories.


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Lecture 01 - Classical Field Theories and Principle of Locality
Lecture 02 - Symmetries and Conservation Laws
Lecture 03 - Why Quantum Field Theory
Lecture 04 - Canonical Quantization of a Free Scalar Field Theory
Lecture 05 - Complex Scalar Field Theory and Anti-Particle
Lecture 06 - Propagators and Green Functions
Lecture 07 - Interacting Theories and S-Matrix
Lecture 08 - Path Integral Formalism for Non-Relativistic Quantum Mechanics
Lecture 09 - Path Integral Formalism for QFT; Computation of Time-Ordered Correlation Functions
Lecture 10 - Time-Ordered Correlation Functions in Field Theory
Lecture 11 - Computation of Correlation Functions in Perturbation Theory and Feynman Diagrams
Lecture 12 - More on Perturbation Theory and Feynman Diagrams
Lecture 13 - Introduction the Dirac Equation
Lecture 14 - Lorentz Covariance of the Dirac Equation
Lecture 15 - Classical Solutions of Dirac Equations
Lecture 16 - Quantization of the Dirac Theory
Lecture 17 - Chiral and Majorana Spinors
Lecture 18 - Discrete Symmetries
Lecture 19 - Path Integrals of Fermions
Lecture 20 - Maxwell Theory and its Canonical Quantization
Lecture 21 - Quantum Maxwell Theory (cont.)
Lecture 22 - Quantum Electrodynamics
Lecture 23 - Cross Section and Decay Rate
Lecture 24 - Elementary Processes in QED (I)
Lecture 25 - Elementary Processes in QED (II)
Lecture 26 - Quantum Fluctuations and Renormalization