2008•Journal of Physics Condensed MatterOpen access
Theoretical and experimental investigations of Coulomb blockade in coupled quantum dot systems
Franz J. Kaiser, Sigmund Kohler, Peter Hänggi, M Malecha, Jens Ebbecke, A. Wixforth, H. W. Schumacher, Bernd Kästner, D. Reuter, Andreas Dirk Wieck
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Abstract
Two strongly coupled quantum dots are theoretically and experimentally investigated. In conductance measurements on a GaAs based low-dimensional system additional features to the Coulomb blockade have been detected at low temperatures. These regions of finite conductivity are compared with theoretical investigations of a strongly coupled quantum dot system and good agreement between the theoretical and the experimental results has been found.
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