Feynman Diagrams: Anharmonic Oscillator

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Covers the path integral representation of the propagator and Gaussian integrals in complex and multi-dimensional cases.

Explores perturbation theory in the path integral formalism using Feynman diagrams and free energy expansion.

Covers the Feynman Rules, Asymptotic Statistics, Normal Ordering, and Instantons.

Explores Feynman diagrams in thermal correlation functions and quantum field theory.

Explores instantons in quantum field theory, focusing on the instanton prefactor and the role of the zero mode.

Covers cross section, lifetime, quantum fluid, asymptotic states, discrete symmetries, and normal ordering in quantum field theory.

Covers gauge theories, modern particle physics, the standard model, and field content.

Explores the proof of Weyl's theorem, focusing on discrete spectrum, ground states, and potential energy continuity.

Explores the Renormalization Group in field theory, discussing scaling functions, critical exponents, and Gaussian fixed points.

Covers the Feynman Rules in Quantum Field Theory, focusing on the proper split of terms and the solution of paradoxes.