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

Mitzkus, C ; Wegscheider, Werner ; Umanski, V ; Eberl, K ; Weiss, Dieter


We study magnetotransport of a two-dimensional electron system (2DES) in the presence of an additional one-dimensional 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 behavior is compared with a recent theory on ...


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