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Theory of the non-equilibrium quasiparticle distribution induced by Kondo defects | | J. Kroha
; A. Zawadowski
; | | Date: |
9 Apr 2001 | | Journal: | Phys. Rev. Lett. 88, 176803 (2002). | | Subject: | Mesoscopic Systems and Quantum Hall Effect; Strongly Correlated Electrons | cond-mat.mes-hall cond-mat.str-el | | Affiliation: | Univ. Karlsruhe, Germany, TU Budapest, Hungary | | Abstract: | It is shown that in resistive nanowires out of equilibrium containing either single- or two-channel Kondo impurities the distribution function $f(E,U)$ obeys scaling behavior in terms of the quasiparticle energy $E$ and the bias voltage $U$. The numerically calculated $f(E,U)$ curves explain quantitatively recent experiments on Cu and Au nanowires. The systematics of the impurity concentration c_{imp} extracted from the comparison between theory and results on various Cu and Au samples strongly suggests that in these systems the scaling arises from magnetic Kondo impurities. | | Source: | arXiv, cond-mat/0104151 | | Services: | Forum | Review | PDF | Favorites | |
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