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- Publisher Website: 10.1103/PhysRevLett.109.050404
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Article: Generalized monogamy of contextual inequalities from the no-disturbance principle
Title | Generalized monogamy of contextual inequalities from the no-disturbance principle |
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Authors | |
Issue Date | 2012 |
Citation | Physical Review Letters, 2012, v. 109, n. 5, article no. 050404 How to Cite? |
Abstract | In this Letter, we demonstrate that the property of monogamy of Bell violations seen for no-signaling correlations in composite systems can be generalized to the monogamy of contextuality in single systems obeying the Gleason property of no disturbance. We show how one can construct monogamies for contextual inequalities by using the graph-theoretic technique of vertex decomposition of a graph representing a set of measurements into subgraphs of suitable independence numbers that themselves admit a joint probability distribution. After establishing that all the subgraphs that are chordal graphs admit a joint probability distribution, we formulate a precise graph-theoretic condition that gives rise to the monogamy of contextuality. We also show how such monogamies arise within quantum theory for a single four-dimensional system and interpret violation of these relations in terms of a violation of causality. These monogamies can be tested with current experimental techniques. © 2012 American Physical Society. |
Persistent Identifier | http://hdl.handle.net/10722/276665 |
ISSN | 2023 Impact Factor: 8.1 2023 SCImago Journal Rankings: 3.040 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ramanathan, Ravishankar | - |
dc.contributor.author | Soeda, Akihito | - |
dc.contributor.author | Kurzyński, Paweł | - |
dc.contributor.author | Kaszlikowski, Dagomir | - |
dc.date.accessioned | 2019-09-18T08:34:17Z | - |
dc.date.available | 2019-09-18T08:34:17Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Physical Review Letters, 2012, v. 109, n. 5, article no. 050404 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/10722/276665 | - |
dc.description.abstract | In this Letter, we demonstrate that the property of monogamy of Bell violations seen for no-signaling correlations in composite systems can be generalized to the monogamy of contextuality in single systems obeying the Gleason property of no disturbance. We show how one can construct monogamies for contextual inequalities by using the graph-theoretic technique of vertex decomposition of a graph representing a set of measurements into subgraphs of suitable independence numbers that themselves admit a joint probability distribution. After establishing that all the subgraphs that are chordal graphs admit a joint probability distribution, we formulate a precise graph-theoretic condition that gives rise to the monogamy of contextuality. We also show how such monogamies arise within quantum theory for a single four-dimensional system and interpret violation of these relations in terms of a violation of causality. These monogamies can be tested with current experimental techniques. © 2012 American Physical Society. | - |
dc.language | eng | - |
dc.relation.ispartof | Physical Review Letters | - |
dc.title | Generalized monogamy of contextual inequalities from the no-disturbance principle | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1103/PhysRevLett.109.050404 | - |
dc.identifier.scopus | eid_2-s2.0-84864493198 | - |
dc.identifier.volume | 109 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | article no. 050404 | - |
dc.identifier.epage | article no. 050404 | - |
dc.identifier.eissn | 1079-7114 | - |
dc.identifier.isi | WOS:000306995700002 | - |
dc.identifier.issnl | 0031-9007 | - |