I am looking for suggestions for material regarding Feynman diagrams for gaussian integrals. I am looking for something of the sort of: Pedro Vieira, Statistical Physics Applied to Quantum Field Theory, Lecture 3. I thought I understood the lecture. But then I found myself incredibly lost when I saw this lecture on Matrix Models Pedro Vieira, Statistical Physics Applied to Quantum Field Theory, Lecture 4. I guess I am looking for material with loads of examples!
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What you're looking for is in
- Chapter 1 of "Path Integrals in Quantum Mechanics" by Zinn-Justin.
Other standard texts on the topic are:
"The Path Integral approach to Quantum Mechanics" by Ricardo Ratazzi,
"Path Integrals in Physics: Volume I Stochastic Processes and Quantum Mechanics" by Demichev and Chaichian,
"Field theory: a path integral approach" by Ahok Das.
A nice brief intro can be found in Chapter 14 of Schwartz.