Testing Contextuality on Quantum Ensembles with One Clean Qubit
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Moussa-2010-Testing Contextualit.pdf
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285.97 KB
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Author(s)
Moussa, Osama
Ryan, Colm A.
Cory, David G.
Laflamme, Raymond
Date Issued
April 2010
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Moussa, Osama et al. “Testing Contextuality on Quantum Ensembles with One Clean Qubit.” Physical Review Letters 104.16 (2010): 160501. © 2010 The American Physical Society.
Version
Final published version
Abstract
We present a protocol to evaluate the expectation value of the correlations of measurement outcomes for ensembles of quantum systems, and use it to experimentally demonstrate—under an assumption of fair sampling—the violation of an inequality that is satisfied by any noncontextual hidden-variables theory. The experiment is performed on an ensemble of molecular nuclear spins in the solid state, using established nuclear magnetic resonance techniques for quantum-information processing.
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.104.160501
