Effect of Magnetic Impurities on Energy Exchange between Electrons

Details Effect of Magnetic Impurities on Energy Exchange between Electrons Effect of Magnetic Impurities on Energy Exchange between Electrons

2005-07-26

arxiv.org/abs/cond-mat/0507596v1

Physical Review Letters 95 (2005) 036802

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages

Scientific paper

10.1103/PhysRevLett.95.036802

In order to probe quantitatively the effect of Kondo impurities on energy exchange between electrons in metals, we have compared measurements on two silver wires with dilute magnetic impurities (manganese) introduced in one of them. The measurement of the temperature dependence of the electron phase coherence time on the wires provides an independent determination of the impurity concentration. Quantitative agreement on the energy exchange rate is found with a theory by G\"{o}ppert et al. that accounts for Kondo scattering of electrons on spin-1/2 impurities.

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