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Quantum Correlations Reduce Classical Correlations with Ancillary Systems |
| LUO Shun-Long, LI Nan
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| Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190 |
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| Cite this article: |
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LUO Shun-Long, LI Nan 2010 Chin. Phys. Lett. 27 120304 |
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Abstract We illustrate the dichotomy of classical/quantum correlations by virtue of monogamy. More precisely, we show that correlations in a bipartite state are classical if and only if each party of the state can be perfectly correlated with other ancillary systems. In particular, this means that if there are quantum correlations between two parties, then the classical (as well as quantum) correlating capabilities of the two parties with other systems have to be strictly reduced.
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| Keywords:
03.67.-a
03.65.Ta
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Received: 31 May 2010
Published: 23 November 2010
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| PACS: |
03.67.-a
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(Quantum information)
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03.65.Ta
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(Foundations of quantum mechanics; measurement theory)
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