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

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Title Experimental criteria for steering and the Einstein-Podolsky-Rosen paradox
Author Cavalcanti, Eric Gama; Jones, Steve James; Wiseman, Howard Mark; Reid, M. D.
Journal Name Physical Review A (Atomic, Molecular and Optical Physics)
Year Published 2009
Place of publication United States
Publisher American Physical Society
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.
Peer Reviewed Yes
Published Yes
Publisher URI http://pra.aps.org/
Alternative URI http://dx.doi.org/10.1103/PhysRevA.80.032112
Copyright Statement Copyright 2009 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 80
Issue Number 3
Page from 032112-1
Page to 032112-16
ISSN 1050-2947
Date Accessioned 2009-09-23
Language en_AU
Research Centre Centre for Quantum Dynamics
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Quantum Information, Computation and Communication; Quantum Optics; Quantum Physics
URI http://hdl.handle.net/10072/26809
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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