Strong violations of Bell-type inequalities for path-entangled number states

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F. Wildfeuer, Christoph
P. Lund, Austin
P. Dowling, Jonathan
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2007
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Abstract

We show that nonlocal correlation experiments on the two spatially separated modes of a maximally path-entangled number state may be performed. They lead to a violation of a Clauser-Horne Bell inequality for any finite photon number N. We also present an analytical expression for the two-mode Wigner function of a maximally path-entangled number state and investigate a Clauser-Horne-Shimony-Holt Bell inequality for such a state. We test other Bell-type inequalities. Some are violated by a constant amount for any N.

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Physical Review A (Atomic, Molecular and Optical Physics)

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76

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5

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© 2007 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.

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Mathematical Sciences

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Chemical Sciences

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