Physics and astronomy

Quantum Field Theory 1

Module code: 877F3
Level 7 (Masters)
15 credits in autumn teaching
Teaching method: Lecture, Workshop
Assessment modes: Unseen examination, Coursework

This module is an introduction into quantum field theory, covering:

  1. Action principle and Lagrangean formulation of mechanics
  2. Lagrangean formulation of field theory and relativistic invariance
  3. Symmetry, invariance and Noether's theorem
  4. Canonical quantization of the scalar field
  5. Canonical quantization of the electromagnetic field
  6. Canonical quantization of the Dirac spinor field
  7. Interactions, the S matrix, and perturbative expansions
  8. Feynman rules and radiative corrections.

Pre-requisite

Pre-requisite(s):
Level 5: (F3239) Quantum Mechanics 1 [T2]
Level 6: (F3225) Quantum Mechanics 2 [T2]

Co-requisite(s):
(885F3) Further Quantum Mechanics

Module learning outcomes

  • Give an account of the canonical quantization procedure.
  • Perform four-vector algebra in Minkowski space.
  • Derive Euler-Lagrange equations for a field theory.
  • Appreciate how transition amplitudes and basic Feynman graphs are computed.