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Spin detection at elevated temperatures using a driven double quantum dot

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dc.contributor.authorGiavaras, G.
dc.contributor.authorWabnig, J.
dc.contributor.authorLovett, B. W.
dc.contributor.authorJefferson, J. H.
dc.contributor.authorBriggs, G. A. D.
dc.date.accessioned2014-08-21T11:01:05Z
dc.date.available2014-08-21T11:01:05Z
dc.date.issued2010-08-06
dc.identifier79639515
dc.identifier0ca95c22-2468-4c90-98b7-04fd6cc421c9
dc.identifier000280689400005
dc.identifier77957585919
dc.identifier.citationGiavaras , G , Wabnig , J , Lovett , B W , Jefferson , J H & Briggs , G A D 2010 , ' Spin detection at elevated temperatures using a driven double quantum dot ' , Physical Review. B, Condensed matter and materials physics , vol. 82 , no. 8 , 085410 . https://doi.org/10.1103/PhysRevB.82.085410en
dc.identifier.issn1098-0121
dc.identifier.otherORCID: /0000-0001-5142-9585/work/47136557
dc.identifier.urihttps://hdl.handle.net/10023/5210
dc.descriptionThe work is part of the UK QIP IRC Grant No. GR/S82176/01. J.W. thanks the Wenner-Gren Foundations for financial support. B.W.L. thanks the Royal Society. J.H.J. acknowledges support from the UK MoD. G.A.D.B. is supported by EPSRC Grant No. GR/S15808/01.en
dc.description.abstractWe consider a double quantum dot in the Pauli blockade regime interacting with a nearby single spin. We show that under microwave irradiation the average electron occupations of the dots exhibit resonances that are sensitive to the state of the nearby spin. The system thus acts as a spin meter for the nearby spin. We investigate the conditions for a nondemolition read-out of the spin and find that the meter works at temperatures comparable to the dot charging energy and sensitivity is mainly limited by the intradot spin relaxation.
dc.format.extent9
dc.format.extent264188
dc.language.isoeng
dc.relation.ispartofPhysical Review. B, Condensed matter and materials physicsen
dc.subjectElectron-spinen
dc.subjectQC Physicsen
dc.subject.lccQCen
dc.titleSpin detection at elevated temperatures using a driven double quantum doten
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.doi10.1103/PhysRevB.82.085410
dc.description.statusPeer revieweden


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