| Limit on nonlocality in any world in which communication complexity is not trivial. | |
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MedLine Citation:
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PMID: 16907289 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Bell proved that quantum entanglement enables two spacelike separated parties to exhibit classically impossible correlations. Even though these correlations are stronger than anything classically achievable, they cannot be harnessed to make instantaneous (faster than light) communication possible. Yet, Popescu and Rohrlich have shown that even stronger correlations can be defined, under which instantaneous communication remains impossible. This raises the question: Why are the correlations achievable by quantum mechanics not maximal among those that preserve causality? We give a partial answer to this question by showing that slightly stronger correlations would result in a world in which communication complexity becomes trivial. |
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Authors:
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Gilles Brassard; Harry Buhrman; Noah Linden; André Allan Méthot; Alain Tapp; Falk Unger |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2006-06-27 |
Journal Detail:
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Title: Physical review letters Volume: 96 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2006 Jun |
Date Detail:
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Created Date: 2006-08-15 Completed Date: 2006-10-03 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 250401 Citation Subset: IM |
Affiliation:
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Département IRO, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Communication* Models, Theoretical* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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