Experimental criteria for steering and the Einstein-Podolsky-Rosen paradox

Cavalcanti, E. G., Jones, S. J., Wiseman, H. M. and Reid, M. D. (2009) Experimental criteria for steering and the Einstein-Podolsky-Rosen paradox. Physical Review A, 80 3: . doi:10.1103/PhysRevA.80.032112

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Author Cavalcanti, E. G.
Jones, S. J.
Wiseman, H. M.
Reid, M. D.
Title Experimental criteria for steering and the Einstein-Podolsky-Rosen paradox
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 2009-09
Sub-type Article (original research)
DOI 10.1103/PhysRevA.80.032112
Open Access Status File (Publisher version)
Volume 80
Issue 3
Total pages 16
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract We formally link the concept of steering (a concept created by Schrödinger but only recently formalized by Wiseman, Jones and Doherty Phys. Rev. Lett. 98 140402 (2007)]) and the criteria for demonstrations of Einstein-Podolsky-Rosen (EPR) paradox introduced by Reid Phys. Rev. A 40 913 (1989)]. We develop a general theory of experimental EPR-steering criteria, derive a number of criteria applicable to discrete as well as continuous-variable observables, and study their efficacy in detecting that form of nonlocality in some classes of quantum states. We show that previous versions of EPR-type criteria can be rederived within this formalism, thus unifying these efforts from a modern quantum-information perspective and clarifying their conceptual and formal origin. The theory follows in close analogy with criteria for other forms of quantum nonlocality (Bell nonlocality and entanglement), and because it is a hybrid of those two, it may lead to insights into the relationship between the different forms of nonlocality and the criteria that are able to detect them.
Keyword Quantum-mechanical Description
Continuous Variable Systems
Bell Inequalities
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Article #032112

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
 
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Created: Thu, 12 Nov 2009, 12:00:19 EST by Mr Andrew Martlew on behalf of ARC Centre of Excellence for Quantum-Atom Optics