The 3D transport diagram of a triple quantum dot
arXiv:1006.2331 · doi:10.1103/PhysRevB.82.075304
Abstract
We measure a triple quantum dot in the regime where three addition lines, corresponding to the addition of an electron to each of three dots, pass through each other. In particular, we probe the interplay between transport and the tridimensional nature of the stability diagram. We choose the regime most pertinent for spin qubit applications. We find that at low bias transport through the triple quantum dot circuit is only possible at six quadruple point locations. The results are consistent with an equivalent circuit model.
arXiv comment4.3 pages, 5 figures, 1 table. This second version contains expanded exprimental details and analysis sections
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