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Experimental observation of the breaking and recombination of single Cooper pairs

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dc.contributor.authorLambert, N.J.
dc.contributor.authorEdwards, M.
dc.contributor.authorEsmail, A.A.
dc.contributor.authorPollock, F.A.
dc.contributor.authorBarrett, S.D.
dc.contributor.authorLovett, B.W.
dc.contributor.authorFerguson, A.J.
dc.date.accessioned2015-03-27T11:01:07Z
dc.date.available2015-03-27T11:01:07Z
dc.date.issued2014-10-09
dc.identifier157759748
dc.identifier02abb763-91f8-494a-8db8-f6de9dea5eed
dc.identifier84908032676
dc.identifier000343772000003
dc.identifier.citationLambert , N J , Edwards , M , Esmail , A A , Pollock , F A , Barrett , S D , Lovett , B W & Ferguson , A J 2014 , ' Experimental observation of the breaking and recombination of single Cooper pairs ' , Physical Review. B, Condensed matter and materials physics , vol. 90 , no. 14 . https://doi.org/10.1103/PhysRevB.90.140503en
dc.identifier.issn1098-0121
dc.identifier.otherORCID: /0000-0001-5142-9585/work/47136563
dc.identifier.urihttps://hdl.handle.net/10023/6381
dc.descriptionA.J.F. would like to acknowledge the Hitachi Research fellowship, support from Hitachi Cambridge Laboratory, and support from the EPSRC Grant No. EP/H016872/1. B.W.L. is supported by a Royal Society University Research Fellowship. F.A.P. would like to thank the Leverhulme Trust for financial support.en
dc.description.abstractWe observe the real-time breaking of single Cooper pairs by monitoring the radio-frequency impedance of a superconducting double quantum dot. The Cooper pair breaking rate in the microscale islands of our device decreases as temperature is reduced, saturating at 2 kHz for temperatures beneath 100 mK. In addition, we measure in real time the quasiparticle recombination into Cooper pairs. Analysis of the recombination rates shows that, in contrast to bulk films, a multistage recombination pathway is followed.
dc.format.extent758735
dc.language.isoeng
dc.relation.ispartofPhysical Review. B, Condensed matter and materials physicsen
dc.subjectQC Physicsen
dc.subject.lccQCen
dc.titleExperimental observation of the breaking and recombination of single Cooper pairsen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.identifier.doihttps://doi.org/10.1103/PhysRevB.90.140503
dc.description.statusPeer revieweden


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