Probing coherent electronic states in double quantum dots

DOI to cite this document:: 10.5283/epub.11948

Qin, H. ; Holleitner, A. W. ; Wegscheider, Werner ; Hüttel, Andreas K. ; Blick, Robert H. ; Bichler, Max ; Eberl, Karl ; Kotthaus, Jörg P.

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Date of publication of this fulltext: 11 Jan 2010 13:25

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Abstract

Experimental results on both serial and parallel double quantum dots are presented. The quantum dots are realized in the two-dimensional electron gas of an AlGaAs/GaAs heterostructure. By varying the inter-dot tunnel barriers, double quantum dots are tuned from the weak coupling limit to the strong coupling case. In serial double quantum dots, bonding and anti-bonding molecular states are probed ...