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

Pope, D. T. and Milburn, G. J. (2004) Bitwise bell-inequality violations for an entangled state involving 2N ions. Physical Review A, 69 5: 052102-1-052102-11. doi:10.1103/PhysRevA.69.052102

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Author Pope, D. T.
Milburn, G. J.
Title Bitwise bell-inequality violations for an entangled state involving 2N ions
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2004-05-07
Year available 2004
Sub-type Article (original research)
DOI 10.1103/PhysRevA.69.052102
Open Access Status File (Publisher version)
Volume 69
Issue 5
Start page 052102-1
End page 052102-11
Total pages 11
Editor B. Crasemann
Place of publication College Pk
Publisher The American Physical Society
Collection year 2004
Language eng
Subject C1
240402 Quantum Optics and Lasers
780102 Physical sciences
Abstract Following on from previous work [J.-A. 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.
Keyword Physics, Atomic, Molecular & Chemical
Podolsky-rosen Paradox
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 04:18:43 EST