Coherent Coupling of Two Quantum Dots Embedded in an Aharonov-Bohm Interferometer

A. W. Holleitner, C. R. Decker, H. Qin, K. Eberl, and R. H. Blick
Phys. Rev. Lett. 87, 256802 – Published 29 November 2001
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Abstract

We define two laterally gated small quantum dots with less than 15 electrons in an Aharonov-Bohm geometry in which the coupling between the two dots can be changed. We measure Aharonov-Bohm oscillations for weakly coupled quantum dots. In an intermediate coupling regime we study molecular states of the double dot and extract the magnetic field dependence of the coherently coupled states.

  • Received 1 November 2000

DOI:https://doi.org/10.1103/PhysRevLett.87.256802

©2001 American Physical Society

Authors & Affiliations

A. W. Holleitner1,*, C. R. Decker1, H. Qin1, K. Eberl2, and R. H. Blick1

  • 1Center for NanoScience and Sektion Physik, Ludwig-Maximilians-Universität, Geschwister-Scholl-Platz 1, 80539 München, Germany
  • 2Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart, Germany

  • *Email address: Alex.Holleitner@physik.uni-muenchen.de

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Vol. 87, Iss. 25 — 17 December 2001

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