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  • Bitwise Bell-inequality violations for an entangled state involving 2N ions

    File version
    Accepted Manuscript (AM)
    Author(s)
    Pope, Damian
    Milburn, G.
    Griffith University Author(s)
    Pope, Damian T.
    Year published
    2004
    Metadata
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    Abstract
    Following on from previous work [J.-Ů Larsson, Phys. Rev. A 67, 022108 (2003)], Bell inequalities based on correlations between binary digits are considered for a particular entangled state involving 2N trapped ions. These inequalities involve applying displacement operations to half of the ions and then measuring correlations between pairs of corresponding bits in the binary representations of the number of center-of-mass phonons of N particular ions. It is shown that the state violates the inequalities and thus displays nonclassical correlations. It is also demonstrated that it violates a Bell inequality when the displacements ...
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    Following on from previous work [J.-Ů Larsson, Phys. Rev. A 67, 022108 (2003)], Bell inequalities based on correlations between binary digits are considered for a particular entangled state involving 2N trapped ions. These inequalities involve applying displacement operations to half of the ions and then measuring correlations between pairs of corresponding bits in the binary representations of the number of center-of-mass phonons of N particular ions. It is shown that the state violates the inequalities and thus displays nonclassical correlations. It is also demonstrated that it violates a Bell inequality when the displacements are replaced by squeezing operations.
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    Journal Title
    Physical Review A
    Volume
    69
    Issue
    5
    DOI
    https://doi.org/10.1103/PhysRevA.69.052102
    Copyright Statement
    © 2004 American Physical Society. 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
    Chemical Sciences
    Publication URI
    http://hdl.handle.net/10072/5695
    Collection
    • Journal articles

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