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MAU44400 Quantum field theory

Module Code MAU44400
Module Title Quantum field theory
Semester taught Semesters 1,2 (yearlong)
ECTS Credits 10
Module Lecturers
 
Prof. Samson Shatashvili
Prof. Jan Manschot
Module Prerequisites
 
MAU34404 Quantum mechanics II and
MAU34406 Statistical physics II

Assessment Details

  • This module is examined in a 3-hour examination at the end of Semester 2.
  • Students are assessed based on the exam alone.
  • Any failed components are reassessed, if necessary, by an exam in the reassessment session.

Contact Hours

11+11 weeks of teaching with 3 lectures per week.

Module Content

  • Noether's theorem, the Klein-Gordon field and its quantisation.
  • The Dirac field and its quantisation.
  • Quantisation of constrained systems.
  • The Maxwell field and its quantisation.
  • Feynman diagram formalism for scalar ɸ4 theory.
  • Feynman rules for Quantum Electrodynamics (QED).
  • Elementary processes of QED.
  • S-matrix: Scattering and decay.
  • Trace technology.
  • Crossing symmetry.
  • Radiative corrections: Infrared and Ultraviolet divergences, Loop computations, LSZ reduction formula, Optical theorem, Ward-Takahashi identities.
  • Renormalization of electric charge.

Required Reading

  • Michael E. Pesking and Daniel V. Schroeder, An Introduction to Quantum Field Theory, Westview Press.
  • For constrained systems, see: P. A. M. Dirac, Lectures on Quantum Mechanics.

Recommended Reading

  • L.D. Faddeev and A.A. Slavnov, Gauge Fields: Introduction to Quantum Theory, Cambridge University Press (1995).
  • Steven Weinberg, The quantum theory of fields. Vol. 1; Foundations, Cambridge University Press (1995).
  • N.N. Bogoliubov and D.V. Shirkov, Introduction to the theory of quantized fields, John Wiley & Sons (1959).
  • James D. Bjorken, Sidney D. Drell, Relativistic Quantum Mechanics, McGraw-Hill College (1965).