Probing level renormalization by sequential transport through double quantum dots

Bernhard Wunsch, Matthias Braun, Jürgen König, and Daniela Pfannkuche
Phys. Rev. B 72, 205319 – Published 11 November 2005

Abstract

We study electron transport through double quantum dots in series. The tunnel coupling of the discrete dot levels to external leads causes a shift of their energy. This energy renormalization affects the transport characteristics even in the limit of weak dot-lead coupling, when sequential transport dominates. We propose an experimental setup which reveals the renormalization effects in either the current-voltage characteristics or in the stability diagram.

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  • Received 19 August 2005

DOI:https://doi.org/10.1103/PhysRevB.72.205319

©2005 American Physical Society

Authors & Affiliations

Bernhard Wunsch1,*, Matthias Braun2, Jürgen König2, and Daniela Pfannkuche1

  • 1I. Institut für Theoretische Physik, Universität Hamburg, Jungiusstrasse 9, 20355 Hamburg, Germany
  • 2Institut für Theoretische Physik III, Ruhr-Universität Bochum, 44780 Bochum, Germany

  • *Electronic address: bwunsch@physnet.uni-hamburg.de

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Issue

Vol. 72, Iss. 20 — 15 November 2005

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