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Phys. Rev. Lett. 53, 955–957 (1984)

Violation of Bell's Inequalities in Quantum Optics

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M. D. Reid
Physics Department, University of Waikato, Hamilton, New Zealand

D. F. Walls*
Institute for Theoretical Physics, University of California, Santa Barbara, California 93106

Received 20 December 1983; published in the issue dated 3 September 1984

An optical field produced by intracavity four-wave mixing is shown to exhibit the following nonclassical features: photon antibunching, squeezing, and violation of Cauchy-Schwarz and Bell's inequalities. These intrinsic quantum mechanical effects are shown to be associated with the nonexistence of a positive normalizable Glauber-Sudarshan P function.

© 1984 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.53.955
DOI:
10.1103/PhysRevLett.53.955
PACS:
03.65.Bz, 42.50.+q

*On leave from University of Waikato, Hamilton, New Zealand.

 
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