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Physics 622: Quantum Field Theory

 

Course Outline


QFT for spinless fields:  canonical quantization, perturbation theory, Wick’s theorem, Feynman diagrams

Fields with spin: internal and spacetime symmetries, spin ½ and Dirac equation, spin 1, gauge invariance, Quantum Electrodynamics (QED)

Non-Abelian gauge theories: Lie algebras, SU(n) groups, Quantum Chromodynamics (QCD), ghosts, Feynman rules for QCD

Renormalization: loop diagrams, ultraviolet divergences, dimensional regularization, renormalization-scheme dependence

Functional integral methods: Gaussian functional integrals, sources, perturbation theory

Special topics (if time allows)

 

Organization

Lectures Tu Th 2:30 - 3:50 PM

Homework (78%)

Final exam (22%)

Text: Srednicki, Quantum field theory

Peskin and Schroeder, An introduction to quantum field theory

Lecture notes and problem solutions available

 

All information is representative only, and is likely to change from year to year.