Kondo temperature for a quantum dot in an Aharanov-Bohm ring

Details Kondo temperature for a quantum dot in an Aharanov-Bohm ring Kondo temperature for a quantum dot in an Aharanov-Bohm ring

2004-01-26

arxiv.org/abs/cond-mat/0401523v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure

Scientific paper

We study the Kondo temperature of a quantum dot embedded into one arm of an
Aharonov-Bohm interferometer. The topology of a disordered or chaotic
Aharanov-Bohm ring leads to a stochastic term in the scaling equation and in
the renormalization procedure. As a result, the Kondo temperature displays
significant fluctuations as a function of magnetic flux.

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