Observation of Shot-Noise-Induced Asymmetry in the Coulomb Blockaded Josephson Junction
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© 2004 American Physical Society (APS). This is the accepted version of the following article: Lindell, R. K. & Delahaye, J. & Sillanpää, Mika A. & Heikkilä, T. T. & Sonin, E. B. & Hakonen, P. J. 2004. Observation of Shot-Noise-Induced Asymmetry in the Coulomb Blockaded Josephson Junction. Physical Review Letters. Volume 93, Issue 19. 197002/1-4. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.93.197002, which has been published in final form at http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.93.197002.
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Date
2004
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Language
en
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197002/1-4
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Physical Review Letters, Volume 93, Issue 19
Abstract
We have investigated the influence of shot noise on the IV curves of a single mesoscopic Josephson junction. We observe a linear enhancement of zero-bias conductance of the Josephson junction with increasing shot-noise power. Moreover, the IV curves become increasingly asymmetric. Our analysis on the asymmetry shows that the Coulomb blockade of Cooper pairs is strongly influenced by the non-Gaussian character of the shot noise.Description
Keywords
Josephson junctions, shot noise, IV curves, Coulomb blockade, Cooper pairs
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Citation
Lindell, R. K. & Delahaye, J. & Sillanpää, Mika A. & Heikkilä, T. T. & Sonin, E. B. & Hakonen, P. J. 2004. Observation of Shot-Noise-Induced Asymmetry in the Coulomb Blockaded Josephson Junction. Physical Review Letters. Volume 93, Issue 19. 197002/1-4. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.93.197002.