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Physics and Astronomy - Course Details

PHYS662 (PHYS66200)


Spring, Credits 3.0


Prerequisite: PHYS 661. Authorized equivalent courses or consent of instructor may be used in satisfying course pre- and co-requisites.


Introduction to relativistic quantum field theory. Representations of the Lorentz and Poincare groups. Noether's theorem: symmetries and conservation laws. Canonical quantization of free Klein-Gordon, Dirac, Maxwell fields. Interacting field theory: Lehmann-Kallen representations. LSZ reduction formula. Schwinger action principle. Quantum Electrodynamics (QED): Gell-Mann Low expansion, Wick's theorem, Feynman rules for Green functions and S-matrix elements. Scattering processes in QED: cross sections in low orders of perturbation theory.

Department of Physics and Astronomy, 525 Northwestern Avenue, West Lafayette, IN 47907-2036 • Phone: (765) 494-3000 • Fax: (765) 494-0706

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