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Evidence of Cooper-pair pumping with combined flux and voltage control

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Niskanen, Antti O.
dc.contributor.author Kivioja, Jani M.
dc.contributor.author Seppä, Heikki
dc.contributor.author Pekola, Jukka P.
dc.date.accessioned 2015-05-27T09:00:51Z
dc.date.available 2015-05-27T09:00:51Z
dc.date.issued 2005
dc.identifier.citation Niskanen, Antti O. & Kivioja, Jani M. & Seppä, Heikki & Pekola, Jukka. 2005. Evidence of Cooper-pair pumping with combined flux and voltage control. Physical Review B. Volume 71, Issue 1. 012513/1-4. ISSN 1098-0121 (printed). DOI: 10.1103/physrevb.71.012513. en
dc.identifier.issn 1098-0121 (printed)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/16252
dc.description.abstract We have experimentally demonstrated pumping of Cooper pairs in a single-island mesoscopic structure. The island was connected to leads through SQUID (superconducting quantum interference device) loops. Synchronized flux and voltage signals were applied whereby the Josephson energies of the SQUIDs and the gate charge were tuned adiabatically. From the current-voltage characteristics one can see that the pumped current increases in 1e steps which is due to quasiparticle poisoning on the measurement time scale, but we argue that the transport of charge is due to Cooper pairs. en
dc.format.extent 012513/1-4
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society (APS) en
dc.relation.ispartofseries Physical Review B en
dc.relation.ispartofseries Volume 71, Issue 1
dc.rights © 2005 American Physical Society (APS). http://www.aps.org/ en
dc.subject.other Physics en
dc.title Evidence of Cooper-pair pumping with combined flux and voltage control en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder American Physical Society (APS)
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Department of Applied Physics en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.subject.keyword Cooper pairs en
dc.subject.keyword pumping en
dc.subject.keyword single-island mesoscopic structures en
dc.subject.keyword superconducting quantum interference device (SQUID) en
dc.subject.keyword Josephson energies en
dc.identifier.urn URN:NBN:fi:aalto-201505262891
dc.type.dcmitype text en
dc.identifier.doi 10.1103/physrevb.71.012513
dc.type.version Final published version en

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