Observation of shot-noise-induced asymmetry in the Coulomb blockaded Josephson junction.
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.
Lindell
R K
RK
Low Temperature Laboratory, Helsinki University of Technology, P. O. Box 2200, FIN-02015 HUT, Finland.
Delahaye
J
J
Sillanpää
M A
MA
Heikkilä
T T
TT
Sonin
E B
EB
Hakonen
P J
PJ