Electronic correlations in transport through coupled quantum dots

Details Electronic correlations in transport through coupled quantum dots Electronic correlations in transport through coupled quantum dots

1998-11-22

arxiv.org/abs/cond-mat/9811313v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages + 3 figures

Scientific paper

10.1103/PhysRevLett.82.3508

The conductance through two quantum dots in series is studied using general qualitative arguments and quantitative slave-boson mean-field theory. It is demonstrated that measurements of the conductance can explore the phase diagram of the two-impurity Anderson model. Competition between the Kondo effect and the inter-dot magnetic exchange leads to a two-plateau structure in the conductance as a function of gate voltage and a two or three peak structure in the conductance vs. inter-dot tunneling.

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