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Phys. Rev. Lett. 85, 2035–2039 (2000)

Proposal for the Measurement of Bell-Type Correlations from Continuous Variables

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T. C. Ralph*, W. J. Munro, and R. E. S. Polkinghorne
Department of Physics, Centre for Laser Science, University of Queensland, Queensland 4072, Australia

Received 13 December 1999; published in the issue dated 4 September 2000

We show theoretically that Bell-type correlations can be observed between continuous variable measurements performed on a parametric source. An auxiliary measurement, performed on the detection environment, negates the possibility of constructing a local realistic description of these correlations.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.2035
DOI:
10.1103/PhysRevLett.85.2035
PACS:
03.65.Bz, 03.67.-a

*Email address: ralph@physics.uq.edu.au