Coherent coupling of two quantum dots embedded in an Aharonov-Bohm ring

Details Coherent coupling of two quantum dots embedded in an Aharonov-Bohm ring Coherent coupling of two quantum dots embedded in an Aharonov-Bohm ring

2000-11-02

arxiv.org/abs/cond-mat/0011044v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.87.256802

We define two laterally gated small quantum dots (~ 15 electrons) in an Aharonov-Bohm geometry in which the coupling between the two dots can be broadly changed. For weakly coupled quantum dots we find Aharonov-Bohm oscillations. In an intermediate coupling regime we concentrate on the molecular states of the double dot and extract the magnetic field dependence of the coherent coupling.

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