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  • Directly observing momentum transfer in twin-slit "which-way" experiments

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    Author(s)
    Wiseman, HM
    Griffith University Author(s)
    Wiseman, Howard M.
    Year published
    2003
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    Abstract
    Is the destruction of interference by a which-way measurement due to a random momentum transfer Weierstrass pgreater-than or equivalent toplanck constant over two pi/s, with s the slit separation? The weak-valued probability distribution Pwv(Weierstrass p), which is directly observable, provides a subtle answer. Pwv(Weierstrass p) cannot have support on the interval [-planck constant over two pi/s,planck constant over two pi/s]. Nevertheless, its moments can be identically zero.Is the destruction of interference by a which-way measurement due to a random momentum transfer Weierstrass pgreater-than or equivalent toplanck constant over two pi/s, with s the slit separation? The weak-valued probability distribution Pwv(Weierstrass p), which is directly observable, provides a subtle answer. Pwv(Weierstrass p) cannot have support on the interval [-planck constant over two pi/s,planck constant over two pi/s]. Nevertheless, its moments can be identically zero.
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    Journal Title
    Physics Letters. Section A: General, Atomic and Solid State Physics
    Volume
    311
    Issue
    4-5
    Publisher URI
    http://www.elsevier.com/wps/find/journaldescription.cws_home/505705/description#description
    DOI
    https://doi.org/10.1016/S0375-9601(03)00504-8
    Copyright Statement
    © 2003 Elsevier. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Mathematical sciences
    Physical sciences
    Publication URI
    http://hdl.handle.net/10072/6310
    Collection
    • Journal articles

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