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Anomalous Kondo Effect in a Quantum Dot at Nonzero Bias

Simmel, F. and Blick, Robert and Kotthaus, J .P. and Bichler, Max and Wegscheider, Werner (1999) Anomalous Kondo Effect in a Quantum Dot at Nonzero Bias. Physical Review Letters 83 (4), pp. 804-807.

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Abstract

We present measurements on the Kondo effect in a small quantum dot connected strongly to one lead and weakly to the other. The conductance of the dot reveals an offset of the Kondo resonance at zero magnetic field. While the resonance persists in the negative bias regime, it is suppressed in the opposite direction. This demonstrates the pinning of the Kondo resonance to the Fermi levels of the leads.

Item Type:Article
Institutions: Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1103/PhysRevLett.83.804DOI
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevLett.83.804Publisher
Classification:
NotationType
72.15.Qm, 73.23.HkPACS
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner:Martin Kaiser
Deposited On:30 Nov 2009 14:14
Last Modified:21 Jul 2011 00:08
Item ID:11014
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