Revealing memory effects in phase-covariant quantum master equations

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Teittinen, J. Lyyra, H. Sokolov, B. Maniscalco, S. 2018-08-30T06:42:30Z 2018-08-30T06:42:30Z 2018-07-01
dc.identifier.citation Teittinen , J , Lyyra , H , Sokolov , B & Maniscalco , S 2018 , ' Revealing memory effects in phase-covariant quantum master equations ' New Journal of Physics , vol 20 , no. 7 , 073012 , pp. 1-13 . DOI: 10.1088/1367-2630/aacc38 en
dc.identifier.issn 1367-2630
dc.identifier.other PURE UUID: 3715a673-337b-4028-945b-ecdf7367dd4e
dc.identifier.other PURE ITEMURL:
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dc.description.abstract We study and compare the sensitivity of multiple non-Markovianity indicators for a qubit subjected to general phase-covariant noise. For each of the indicators, we derive analytical conditions to detect the dynamics as non-Markovian. We present these conditions as relations between the time-dependent decay rates for the general open system dynamics and its commutative and unital subclasses. These relations tell directly if the dynamics is non-Markovian w.r.t. each indicator, without the need to explicitly derive and specify the analytic form of the time-dependent coefficients. Moreover, with a shift in perspective, we show that if one assumes only the general form of the master equation, measuring the non-Markovianity indicators gives us directly non-trivial information on the relations between the unknown decay rates. en
dc.format.extent 1-13
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries New Journal of Physics en
dc.relation.ispartofseries Volume 20, issue 7 en
dc.rights openAccess en
dc.subject.other Physics and Astronomy(all) en
dc.subject.other 114 Physical sciences en
dc.title Revealing memory effects in phase-covariant quantum master equations en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department University of Turku
dc.contributor.department Centre of Excellence in Quantum Technology, QTF
dc.contributor.department Department of Applied Physics en
dc.subject.keyword master equation
dc.subject.keyword non-Markovianity
dc.subject.keyword open quantum systems
dc.subject.keyword Physics and Astronomy(all)
dc.subject.keyword 114 Physical sciences
dc.identifier.urn URN:NBN:fi:aalto-201808304735
dc.identifier.doi 10.1088/1367-2630/aacc38
dc.type.version publishedVersion

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