Circular parabolic quantum dots with repulsive off-center impurities: an SDFT study

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.1353

Wensauer, Andreas ; Kainz, Josef ; Suhrke, Michael ; Rössler, Ulrich

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Veröffentlichungsdatum dieses Volltextes: 05 Aug 2009 13:28

Alternative Links zum Volltext:DOI Verlag

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Zusammenfassung

Quantum dots (QDs) realized by etching or gate structures in a two-dimensional electron system may, under realistic conditions, contain an impurity atom which causes deviations of the electron structure from the ideal case. We have performed ground-state calculations for circular disk-like QDs with a parabolic confinement potential and a repulsive off-center impurity. Besides the distance of the ...