PYL432: Difference between revisions
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Latest revision as of 16:44, 14 April 2026
| pYL432 | |
|---|---|
| Quantum Electrodynamics | |
| Credits | 3 |
| Structure | 3-0-0 |
| Pre-requisites | PYL331 |
| Overlaps | |
pYL432 : Quantum Electrodynamics
Lagrangian formulation of classical field theory, Field equations, symmetries, Noether's theorem and conservation laws. Energy-momentum tensor. Classical field equations: Neutral and charged scalar fields, Electromagnetic field, Dirac field, Momentum representation, Second quantization of the free fields, Interacting fields, interaction picture, Dyson-series,Feynman diagrams and Feynman rules for quantum electrodynamics. Wick's theorem. Cross-section and S-matrix, Moeller and Bhabha scattering, Compton scattering, photoelectric effect etc. Divergence, Renormalization technique, Mass and charge renormalization.