QED

Outline

Quantum Electrodynamics

Prof. Joao Magueijo

30 hours

This course is a continuation of the undergraduate "Quantum Field Theory" course.

All course materials are to be found on Blackboard here. ANY ISSUES WITH ACCESS TO BE ADDRESSED DIRECTLY WITH andrew.williamson@imperial.ac.uk

1. Review of Background Material

Quantum mechanics.
Scalar field theory.
Heisenberg Picture and Feynman propagators.
Fermion fields and Dirac Quantization (quick introduction). The Classical Lagrangian for QED.

2. Interacting Field Theory

Interactions and Correlation functions.
Kallen-Lehmann representation and renormalization. LSZ reduction formula.
Evaluation of S-matrix elements.
Feynman Diagrams.

3. Feynman Diagrams for QED.

Interacting theory with fermions Quantization of the Photon.
Feynman Diagrams for QED.

4. Simple Processes in QED
Scattering amplitudes. • Compton scattering.
Electron-electron scattering.
Electron-positron annihilation.• Evaluation of cross-sections.

5. Renormalization

Perturbative renormalization in QED. Regularization and Ward Identities.
Radiative corrections.

Typos and updates

All course materials are to be found here.

ANY ISSUES WITH ACCESS TO BE ADDRESSED DIRECTLY WITH andrew.williamson@imperial.ac.uk

Problem sets

All course materials are to be found here.

ANY ISSUES WITH ACCESS TO BE ADDRESSED DIRECTLY WITH andrew.williamson@imperial.ac.uk

Handouts

All course materials are to be found here.

ANY ISSUES WITH ACCESS TO BE ADDRESSED DIRECTLY WITH andrew.williamson@imperial.ac.uk

Past papers

All course materials are to be found here.

ANY ISSUES WITH ACCESS TO BE ADDRESSED DIRECTLY WITH andrew.williamson@imperial.ac.uk