Violation of multiparticle Bell inequalities for low- and high-flux parametric amplification using both vacuum and entangled input states

Reid, M. D., Munro, W. J. and De Martini, F. (2002) Violation of multiparticle Bell inequalities for low- and high-flux parametric amplification using both vacuum and entangled input states. Physical Review A, 66 3: 338011-3380110. doi:10.1103/PhysRevA.66.033801

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Author Reid, M. D.
Munro, W. J.
De Martini, F.
Title Violation of multiparticle Bell inequalities for low- and high-flux parametric amplification using both vacuum and entangled input states
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2002
Sub-type Article (original research)
DOI 10.1103/PhysRevA.66.033801
Open Access Status File (Publisher version)
Volume 66
Issue 3
Start page 338011
End page 3380110
Total pages 10
Editor B Crasemann
Place of publication United States
Publisher American Physical Society
Collection year 2002
Language eng
Subject C1
240201 Theoretical Physics
780102 Physical sciences
240402 Quantum Optics and Lasers
Abstract We show how polarization measurements on the output fields generated by parametric down conversion will reveal a violation of multiparticle Bell inequalities, in the regime of both low- and high-output intensity. In this case, each spatially separated system, upon which a measurement is performed, is comprised of more than one particle. In view of the formal analogy with spin systems, the proposal provides an opportunity to test the predictions of quantum mechanics for spatially separated higher spin states. Here the quantum behavior possible even where measurements are performed on systems of large quantum (particle) number may be demonstrated. Our proposal applies to both vacuum-state signal and idler inputs, and also to the quantum-injected parametric amplifier as studied by De Martini The effect of detector inefficiencies is included, and weaker Bell-Clauser-Horne inequalities are derived to enable realistic tests of local hidden variables with auxiliary assumptions for the multiparticle situation.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Podolsky-rosen Paradox
Macroscopic Local Realism
Quantum-mechanics
Down-conversion
Experimental Realization
Arbitrarily Large
Phase-space
Spin-s
Einstein
Light
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: Excellence in Research Australia (ERA) - Collection
 
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Created: Tue, 14 Aug 2007, 17:28:03 EST