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Quantum Phase Shift Caused by Spatial Confinement

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Abstract

This paper presents the results of optical interferometry experiments in which the phase of photons in one arm of a Mach-Zehnder interferometer is modified by applying a transverse constriction. An equivalent quantum interferometry experiment using neutron de Broglie waves is discussed in which the observed phase shift is in the spirit of the force-free phase shift of the Aharonov-Bohm effects. In the optical experiments the experimental results are in excellent agreement with predictions.

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Allman, B.E., Cimmino, A., Griffin, S.L. et al. Quantum Phase Shift Caused by Spatial Confinement. Foundations of Physics 29, 325–332 (1999). https://doi.org/10.1023/A:1018858630047

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  • DOI: https://doi.org/10.1023/A:1018858630047

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