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Title

Investigating puzzling aspects of the quantum theory by means of its hydrodynamic formulation

AuthorsSanz, Ángel S.
KeywordsBohmian mechanics
Velocity field
Interference
Wheeler delayed-choice experiment
Young two-slit experiment
Quantum phase
Issue Date21-May-2015
PublisherSpringer
CitationFoundations of Physics 45: 1153- 1165 (2015)
Abstract© 2015, Springer Science+Business Media New York. Bohmian mechanics, a hydrodynamic formulation of the quantum theory, constitutes a useful tool to understand the role of the phase as the mechanism responsible for the dynamical evolution displayed by quantum systems. This role is analyzed and discussed here in the context of quantum interference, considering to this end two well-known scenarios, namely Young’s two-slit experiment and Wheeler’s delayed choice experiment. A numerical implementation of the first scenario is used to show how interference in a coherent superposition of two counter-propagating wave packets can be seen and explained in terms of an effective model consisting of a single wave packet scattered off an attractive hard wall. The outcomes from this model are then applied to the analysis of Wheeler’s delayed choice experiment, also recreated by means of a reliable realistic simulation. Both examples illustrate quite well how the Bohmian formulation helps to explain in a natural way (and therefore to demystify) aspects of the quantum theory typically regarded as paradoxical. In other words, they show that a proper understanding of quantum phase dynamics immediately removes any trace of unnecessary artificial wave-particle arguments.
Description13 págs.; 4 figs.
Publisher version (URL)http://dx.doi.org/10.1007/s10701-015-9917-2
URIhttp://hdl.handle.net/10261/130413
DOI10.1007/s10701-015-9917-2
Identifiersdoi: 10.1007/s10701-015-9917-2
issn: 0015-9018
Appears in Collections:(CFMAC-IFF) Artículos
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