Symmetry in the open-system dynamics of quantum correlations

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Lyyra, Henri Karpat, Göktug Li, Chuan-Feng Guo, Guang-Can Piilo, Jyrki Maniscalco, Sabrina 2018-02-09T10:04:02Z 2018-02-09T10:04:02Z 2017-08-21
dc.identifier.citation Lyyra , H , Karpat , G , Li , C-F , Guo , G-C , Piilo , J & Maniscalco , S 2017 , ' Symmetry in the open-system dynamics of quantum correlations ' SCIENTIFIC REPORTS , vol 7 , 8367 . DOI: 10.1038/s41598-017-08457-1 en
dc.identifier.issn 2045-2322
dc.identifier.other PURE UUID: a999fe5f-0a86-40e3-9886-51060762047f
dc.identifier.other PURE ITEMURL:
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dc.description.abstract We study the symmetry properties in the dynamics of quantum correlations for two-qubit systems in one-sided noisy channels, with respect to a switch in the location of noise from one qubit to the other. We consider four different channel types, namely depolarizing, amplitude damping, bit-flip, and bit-phase-flip channel, and identify the classes of initial states leading to symmetric decay of entanglement, non-locality and discord. Our results show that the symmetric decay of quantum correlations is not directly linked to the presence or absence of symmetry in the initial state, while it does depend on the type of correlation considered as well as on the type of noise. We prove that asymmetric decay can be used to infer, in certain cases, characteristic properties of the channel. We also show that the location of noise may lead to dramatic changes in the persistence of phenomena such as entanglement sudden death and time-invariant discord. en
dc.format.extent 12
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries SCIENTIFIC REPORTS en
dc.relation.ispartofseries Volume 7 en
dc.rights openAccess en
dc.subject.other 114 Physical sciences en
dc.title Symmetry in the open-system dynamics of quantum correlations en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department University of Turku
dc.contributor.department Universidade Estadual Paulista Julio de Mesquita Filho
dc.contributor.department University of Science and Technology of China
dc.contributor.department Department of Applied Physics
dc.subject.keyword BELL INEQUALITY
dc.subject.keyword ENTANGLEMENT
dc.subject.keyword STATES
dc.subject.keyword DECOHERENCE
dc.subject.keyword EVOLUTION
dc.subject.keyword 114 Physical sciences
dc.identifier.urn URN:NBN:fi:aalto-201802091441
dc.identifier.doi 10.1038/s41598-017-08457-1
dc.type.version publishedVersion

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