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PHYS-426: Quantum physics IV

Summary

Introduction to the path integral formulation of quantum mechanics. Derivation of the perturbation expansion of Green's functions in terms of Feynman diagrams. Several applications will be presented, including non-perturbative effects, such as tunneling and instantons.

Lectures

Instructor

Riccardo Rossi

Official source

https://edu.epfl.ch/coursebook/en/quantum-physics-iv-PHYS-426

Moodle Page

http://go.epfl.ch/PHYS-426

About this result

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Summary

Lectures

Instructor

Riccardo Rossi

Official source

https://edu.epfl.ch/coursebook/en/quantum-physics-iv-PHYS-426

Moodle Page

http://go.epfl.ch/PHYS-426

About this result

Lectures in this course (66)

Quantum Mechanics: Path Integral Formulation

Covers the path integral formulation of Quantum Mechanics, emphasizing its advantages and connection with statistical mechanics.

Path Integral for Free Particle

Covers the path integral for a free particle and wave packet evolution, with exercises in momentum space.

Gelfand-Yaglom Formula: Path Integral and Harmonic Oscillator

Explores the Gelfand-Yaglom formula and path integral for harmonic oscillators.

Operator Matrix Elements

Explores the physical meaning of operator matrix elements in quantum mechanics, focusing on the classical limit and different picture representations.

Quantum Mechanics: GHZM Thought Experiment

Explores the GHZM thought experiment and challenges classical quantum concepts.

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