Phase sensitive shot noise in an Andreev interferometer

Kurzanzeige
dc.contributor.authorReulet, Bertranddeu
dc.contributor.authorKozhevnikov, Alexay A.deu
dc.contributor.authorProber, Daniel E.deu
dc.contributor.authorBelzig, Wolfgang
dc.contributor.authorNazarov, Yuli V.deu
dc.date.accessioned2011-03-24T14:51:24Zdeu
dc.date.available2011-03-24T14:51:24Zdeu
dc.date.issued2003deu
dc.description.abstractWe investigate nonequilibrium noise in a diffusive Andreev interferometer, in which currents emerging from two normal metal/superconductor (N-S) interfaces can interfere. We observe a modulation of the shot noise when the phase difference between the two N-S interfaces is varied by a magnetic flux. This is the signature of phase-sensitive fluctuations in the normal metal. The effective charge inferred from the shot noise measurement is close to qeff = 2e but shows phase-dependent deviations from 2e at finite energy, which we interpret as being due to pair correlations. Experimental data are in good agreement with predictions based on an extended Keldysh Green s function approach.eng
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Physical Review Letters 90 (2003), 6, Article 06660deu
dc.identifier.doi10.1103/PhysRevLett.90.066601
dc.identifier.ppn267340958deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/4925
dc.language.isoengdeu
dc.legacy.dateIssued2007deu
dc.rightsAttribution-NonCommercial-NoDerivs 2.0 Generic
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.0/
dc.subject.ddc530deu
dc.subject.pacs72.70.+mdeu
dc.subject.pacs05.40.-adeu
dc.subject.pacs42.50.Lcdeu
dc.subject.pacs73.23.-bdeu
dc.titlePhase sensitive shot noise in an Andreev interferometereng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
@article{Reulet2003Phase-4925,
  year={2003},
  doi={10.1103/PhysRevLett.90.066601},
  title={Phase sensitive shot noise in an Andreev interferometer},
  number={6},
  volume={90},
  journal={Physical Review Letters},
  author={Reulet, Bertrand and Kozhevnikov, Alexay A. and Prober, Daniel E. and Belzig, Wolfgang and Nazarov, Yuli V.},
  note={Article Number: 6660}
}
kops.citation.iso690REULET, Bertrand, Alexay A. KOZHEVNIKOV, Daniel E. PROBER, Wolfgang BELZIG, Yuli V. NAZAROV, 2003. Phase sensitive shot noise in an Andreev interferometer. In: Physical Review Letters. 2003, 90(6), 6660. Available under: doi: 10.1103/PhysRevLett.90.066601deu
kops.citation.iso690REULET, Bertrand, Alexay A. KOZHEVNIKOV, Daniel E. PROBER, Wolfgang BELZIG, Yuli V. NAZAROV, 2003. Phase sensitive shot noise in an Andreev interferometer. In: Physical Review Letters. 2003, 90(6), 6660. Available under: doi: 10.1103/PhysRevLett.90.066601eng
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kops.sourcefield.plainPhysical Review Letters. 2003, 90(6), 6660. Available under: doi: 10.1103/PhysRevLett.90.066601eng
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