Interaction-induced temperature-dependent switching of the phase of commensurability oscillations in a one-dimensional lateral superlattice

DOI to cite this document:: 10.5283/epub.12643

Mitzkus, Christian ; Wegscheider, Werner ; Umanski, Vladimir ; Eberl, Karl ; Weiss, Dieter

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Date of publication of this fulltext: 01 Feb 2010 13:14

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Abstract

We study magnetotransport of a two-dimensional electron system (2DES) in the presence of an additional one-dimensioinal potential modulation. The commensurability oscillations observed in such a density modulated 2DES show a temperature dependent switching of their phase in the case when the modulation pattern is orientated parallel to the current. This behaviour is compared with a recent theory ...