Observation of shot-noise-induced asymmetry in the Coulomb blockaded Josephson junction

R. K. Lindell, J. Delahaye, M. A. Sillanpää, T. T. Heikkilä, E. B. Sonin, P. J. Hakonen

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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.
Original languageEnglish
Article number197002
Pages (from-to)1-4
Number of pages4
JournalPhysical Review Letters
Volume93
Issue number19
DOIs
Publication statusPublished - 2004
MoE publication typeA1 Journal article-refereed

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