# Functional integral aproach for Feynman rules

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I am familiar with the basic ideas of quantum field theory but I feel uncomfortable when I have to derive Feynman rules by myself for a given action (for example in non-linear sigma models or electrodynamics). Could you provide a list of good books, articles, lecture notes and/or any other sources (except Peskin), where Wick's theorem and the Feynman rules are derived from the functional integral in detail, preferably with examples?

This post imported from StackExchange Physics at 2014-04-13 14:34 (UCT), posted by SE-user xxxxx

recategorized Apr 24, 2014
If you'd prefer a more systematic approach using the path integral for gauge theories, I suggest you research the Faddeev-Popov method. A good source to start you off is Srednicki's textbook.

This post imported from StackExchange Physics at 2014-04-13 14:34 (UCT), posted by SE-user JamalS
See perimeterscholars.org/home.html, course: Quantum Field Theory II, from 11/12 to 13/14 for a treatment of the path integral. The last lectures of the course focus on the Faddeev-Popov approach.

This post imported from StackExchange Physics at 2014-04-13 14:34 (UCT), posted by SE-user JamalS
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