dorsal/arxiv
View SchemaExperimental Demonstration of Greenberger-Horne-Zeilinger Correlations Using Nuclear Magnetic Resonance
| Authors | Richard J. Nelson, David G. Cory, Seth Lloyd |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9905028 |
| URL | https://arxiv.org/abs/quant-ph/9905028 |
| DOI | 10.1103/PhysRevA.61.022106 |
Abstract
The Greenberger-Horne-Zeilinger (GHZ) effect provides an example of quantum correlations that cannot be explained by classical local hidden variables. This paper reports on the experimental realization of GHZ correlations using nuclear magnetic resonance (NMR). The NMR experiment differs from the originally proposed GHZ experiment in several ways: it is performed on mixed states rather than pure states; and instead of being widely separated, the spins on which it is performed are all located in the same molecule. As a result, the NMR version of the GHZ experiment cannot entirely rule out classical local hidden variables. It nonetheless provides an unambiguous demonstration of the "paradoxical" GHZ correlations, and shows that any classical hidden variables must communicate by non-standard and previously undetected forces. The NMR demonstration of GHZ correlations shows the power of NMR quantum information processing techniques for demonstrating fundamental effects in quantum mechanics.
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"abstract": "The Greenberger-Horne-Zeilinger (GHZ) effect provides an example of quantum\ncorrelations that cannot be explained by classical local hidden variables. This\npaper reports on the experimental realization of GHZ correlations using nuclear\nmagnetic resonance (NMR). The NMR experiment differs from the originally\nproposed GHZ experiment in several ways: it is performed on mixed states rather\nthan pure states; and instead of being widely separated, the spins on which it\nis performed are all located in the same molecule. As a result, the NMR version\nof the GHZ experiment cannot entirely rule out classical local hidden\nvariables. It nonetheless provides an unambiguous demonstration of the\n\"paradoxical\" GHZ correlations, and shows that any classical hidden variables\nmust communicate by non-standard and previously undetected forces. The NMR\ndemonstration of GHZ correlations shows the power of NMR quantum information\nprocessing techniques for demonstrating fundamental effects in quantum\nmechanics.",
"arxiv_id": "quant-ph/9905028",
"authors": [
"Richard J. Nelson",
"David G. Cory",
"Seth Lloyd"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.61.022106",
"title": "Experimental Demonstration of Greenberger-Horne-Zeilinger Correlations Using Nuclear Magnetic Resonance",
"url": "https://arxiv.org/abs/quant-ph/9905028"
},
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