Nonequilibrium quasiparticle distribution induced by Kondo defects was studied. It was shown that the scaling behaviour of the nonequilibrium distribution function f(E, U) at quasiparticle energy E and the bias voltage U was induced by either single or two channel Kondo impurities in quantum nanowires. The systematics of impurity concentration from the comparison between theory and experiments suggested that in Au and partially in Cu nanowires the scaling wasl due to magnetic Kondo impurities.
ASJC Scopus subject areas
- Physics and Astronomy(all)