Path Integrals and Interferometry

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This worksheet attempts to motivate and derive the path-integral propagator of quantum mechanics. As an example, the results from a single photon Mach-Zehnder interferometer experiment are derived, demonstrating the necessity of superposition. The example is extended to the Elitzur-Vaiman bomb tester to provide an example of interaction-free measurement. Finally, the use of the propagator in dynamics is motivated using the potential energy surface of molecular nitrogen. This worksheet uses the Maple Quantum Chemistry Toolbox.

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Publish Date: March 16, 2020
Created In: Maple 2019
Language: English

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