Flux-quantum-modulated Kondo conductance in a multielectron quantum dot

Details Flux-quantum-modulated Kondo conductance in a multielectron quantum dot Flux-quantum-modulated Kondo conductance in a multielectron quantum dot

2002-05-08

arxiv.org/abs/cond-mat/0205145v2

Phys. Rev. B 66, 161305(R) (2002)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevB.66.161305

We investigate a lateral semiconductor quantum dot with a large number of electrons in the limit of strong coupling to the leads. A Kondo effect is observed and can be tuned in a perpendicular magnetic field. This Kondo effect does not exhibit Zeeman splitting. It shows a modulation with the periodicity of one flux quantum per dot area at low temperatures. The modulation leads to a novel, strikingly regular stripe pattern for a wide range in magnetic field and number of electrons.

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