Lecture

Functional Methods: Path Integral with a Source

In course

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Description

This lecture covers functional methods in quantum field theory, focusing on coupling systems to external sources. Examples include magnetic fields on spin systems and curved geometries. The lecture also introduces the path integral with source as functional derivatives of correlation functions, perturbation theory for anharmonic oscillators, and free point correlators in the context of quantum field theory.

Official source

https://mediaspace.epfl.ch/media/0_njpbm7am

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Ontological neighbourhood

Physics

Quantum field theory: Quantum electrodynamics

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