Determination of energy scales in few-electron double quantum dots

URN to cite this document:: urn:nbn:de:bvb:355-epub-241736
DOI to cite this document:: 10.5283/epub.24173

Taubert, D. ; Schuh, Dieter ; Wegscheider, Werner ; Ludwig, Stefan

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Date of publication of this fulltext: 14 May 2012 08:45

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Abstract

The capacitive couplings between gate-defined quantum dots and their gates vary considerably as a function of applied gate voltages. The conversion between gate voltages and the relevant energy scales is usually performed in a regime of rather symmetric dot-lead tunnel couplings strong enough to allow direct transport measurements. Unfortunately, this standard procedure fails for weak and ...