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Mesoscopic fluctuations in the Fermi-liquid regime of the Kondo problem

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Date
2013-08-01
Authors
Ullmo, D
Liu, DE
Burdin, S
Baranger, HU
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Abstract
We consider the low temperature regime of the mesoscopic Kondo problem, and in particular the relevance of a Fermi-liquid description of this regime. Mesoscopic fluctuations of both the quasiparticle energy levels and the corresponding wavefunctions are large in this case. These mesoscopic fluctuations make the traditional approach to Fermi-liquids impracticable, as it assumes the existence of a limited number of relevant parameters. We show here how this difficulty can be overcome and discuss the relationship between the resulting Fermi-liquid description "à la Nozières" and the mean field slave fermion approximation. © 2013 EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg.
Type
Journal article
Subject
Science & Technology
Physical Sciences
Physics, Condensed Matter
Physics
TEMPERATURE
IMPURITY
Permalink
https://hdl.handle.net/10161/26465
Published Version (Please cite this version)
10.1140/epjb/e2013-40418-3
Publication Info
Ullmo, D; Liu, DE; Burdin, S; & Baranger, HU (2013). Mesoscopic fluctuations in the Fermi-liquid regime of the Kondo problem. European Physical Journal B, 86(8). 10.1140/epjb/e2013-40418-3. Retrieved from https://hdl.handle.net/10161/26465.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Baranger

Harold U. Baranger

Professor of Physics
The broad focus of Prof. Baranger's group is quantum open systems at the nanoscale, particularly the generation of correlation between particles in such systems. Fundamental interest in nanophysics-- the physics of small, nanometer scale, bits of solid-- stems from the ability to control and probe systems on length scales larger than atoms but small enough that the averaging inherent in bulk properties has not yet occurred. Using this ability, entirely unanticipated phenomena ca
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