A geometrical quantum phase effect |
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| Affiliation: | 1. Tianjin Research Institute Water Transport Engineering, M.O.T, Test Detection Center of Water Transport Engineering, Tianjin 300456, China;2. Department of Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China;3. Hubei Key Laboratory for Engineering Structural Analysis and Safety Assessment, Wuhan 430074, China |
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| Abstract: | A localized change in the spatial boundary conditions of a propagating quanton in shown to modify the phase of its outgoing wavefunction. This elementary effect is in principle observable by neutron interferometry, and gives rise to a purely geometrical analog of the Aharonov-Bohm effect, which puts into full light the nonlocal character of quantum behaviour. |
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