Asymmetric Gaussian steering: When Alice and Bob disagree

Midgley, S. L. W., Ferris, A. J. and Olsen, M. K. (2010) Asymmetric Gaussian steering: When Alice and Bob disagree. Physical Review A, 81 2: 022101-1-022101-5. doi:10.1103/PhysRevA.81.022101

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Author Midgley, S. L. W.
Ferris, A. J.
Olsen, M. K.
Title Asymmetric Gaussian steering: When Alice and Bob disagree
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2010-02
Sub-type Article (original research)
DOI 10.1103/PhysRevA.81.022101
Open Access Status File (Publisher version)
Volume 81
Issue 2
Start page 022101-1
End page 022101-5
Total pages 5
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2011
Language eng
Abstract Asymmetric steering is an effect whereby an inseparable bipartite system can be found to be described by either quantum mechanics or local hidden variable theories depending on which one of Alice or Bob makes the required measurements. We show that, even with an inseparable bipartite system, situations can arise where Gaussian measurements on one half are not sufficient to answer the fundamental question of which theory gives an adequate description and the whole system must be considered. This phenomenon is possible because of an asymmetry in the definition of the original Einstein-Podolsky-Rosen paradox and in this article we show theoretically that it may be demonstrated, at least in the case where Alice and Bob can only make Gaussian measurements, using the intracavity nonlinear coupler. © 2010 The American Physical Society
Keyword Continuous Variable Systems
Podolsky-rosen Paradox
Probability Relations
Separated Systems
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Received 26 June 2009; published 3 February 2010

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2011 Collection
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Citation counts: TR Web of Science Citation Count  Cited 36 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 36 times in Scopus Article | Citations
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Created: Sun, 21 Mar 2010, 00:01:32 EST