Introduction to the basics of quantisation, perturbation theory and renormalisation of relativistic quantum field theories in four dimensional Minkowski spacetime, leading to the Feynman rules and the systematics of multiplicative renormalisation. With emphasis on the case of Quantum Electrodynamics (QED), and illustrative examples taken from that theory as well as the interacting scalar field theory.
Main themes
Quantisation of the scalar, Maxwell and Dirac fields
Green's functions, propagators and micro-causality
Interactions, electron-photon coupling and QED
S-matrix and perturbation theory
Feynman rules
Self-energies of the scalar particle, the electron and the photon
One-loop renormalization and the g-2 factor of spin ½ charged particles
Other information (prerequisite, evaluation (assessment methods), course materials recommended readings, ...)
Method
Traditional lecture course in the classroom, with solid personal study on behalf of the student
Evaluation
Written examination on a problem set followed by an oral discussion
Course material and references
Mark Srednicki, Quantum Field Theory (Cambridge University Press, 2007)
M. E. Peskin and D. V. Schroeder, An Introduction to Quantum Field Theory (Perseus Books, 1995)
C. Itzykson and J.-B. Zuber, Quantum Field Theory (McGraw Hill, New York, 1980)
P. Ramond, Field Theory: A Modern Primer (Benjamin Cummings, Reading, 1981)
Cliff Burgess and Guy Moore, The Standard Model: A Primer (Cambridge University Press, 2007)