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Article: Uncertainty principle as a postquantum nonlocality witness for the continuous-variable multimode scenario

TitleUncertainty principle as a postquantum nonlocality witness for the continuous-variable multimode scenario
Authors
Issue Date2019
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/pra/
Citation
Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2019, v. 99 n. 1, p. article no. 012105 How to Cite?
AbstractThe uncertainty principle is one of the central concepts in quantum theory. Different forms of this principle have been discussed in various foundational and information theoretic topics. Whereas in the discrete input-output scenario the limited nonlocal behavior of quantum theory has been explained by the fine-grained uncertainty relation, in the continuous-variable paradigm the Robertson-Schrödinger (RS) uncertainty relation has been used to detect multimode entanglement. Here we show that the RS uncertainty relation plays an important role in discriminating between quantum and postquantum nonlocal correlations in the multimode continuous outcome scenario. We provide a class of m-mode postquantum nonlocal correlations with a continuous outcome spectrum. While nonlocality of the introduced class of correlations is established through the Calvalcanti-Foster-Reid-Drummond class of Bell inequalities, the RS uncertainty relation detects their postquantum nature. Our result suggests a wider role of the uncertainty principle in the study of nonlocality in continuous-variable multimode systems. © 2019 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/278771
ISSN
2017 Impact Factor: 2.909
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCherian, PJ-
dc.contributor.authorMukherjee, A-
dc.contributor.authorRoy, A-
dc.contributor.authorBhattacharya, SS-
dc.contributor.authorBanik, M-
dc.date.accessioned2019-10-21T02:13:46Z-
dc.date.available2019-10-21T02:13:46Z-
dc.date.issued2019-
dc.identifier.citationPhysical Review A: covering atomic, molecular, and optical physics and quantum information, 2019, v. 99 n. 1, p. article no. 012105-
dc.identifier.issn2469-9926-
dc.identifier.urihttp://hdl.handle.net/10722/278771-
dc.description.abstractThe uncertainty principle is one of the central concepts in quantum theory. Different forms of this principle have been discussed in various foundational and information theoretic topics. Whereas in the discrete input-output scenario the limited nonlocal behavior of quantum theory has been explained by the fine-grained uncertainty relation, in the continuous-variable paradigm the Robertson-Schrödinger (RS) uncertainty relation has been used to detect multimode entanglement. Here we show that the RS uncertainty relation plays an important role in discriminating between quantum and postquantum nonlocal correlations in the multimode continuous outcome scenario. We provide a class of m-mode postquantum nonlocal correlations with a continuous outcome spectrum. While nonlocality of the introduced class of correlations is established through the Calvalcanti-Foster-Reid-Drummond class of Bell inequalities, the RS uncertainty relation detects their postquantum nature. Our result suggests a wider role of the uncertainty principle in the study of nonlocality in continuous-variable multimode systems. © 2019 American Physical Society.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/pra/-
dc.relation.ispartofPhysical Review A: covering atomic, molecular, and optical physics and quantum information-
dc.rightsPhysical Review A: covering atomic, molecular, and optical physics and quantum information. Copyright © American Physical Society.-
dc.rightsCopyright [year] by The American Physical Society. This article is available online at [link to article].-
dc.titleUncertainty principle as a postquantum nonlocality witness for the continuous-variable multimode scenario-
dc.typeArticle-
dc.identifier.emailBhattacharya, SS: some@hku.hk-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevA.99.012105-
dc.identifier.scopuseid_2-s2.0-85059820793-
dc.identifier.hkuros307684-
dc.identifier.volume99-
dc.identifier.issue1-
dc.identifier.spagearticle no. 012105-
dc.identifier.epagearticle no. 012105-
dc.identifier.isiWOS:000455163400002-
dc.publisher.placeUnited States-

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