Novel Magnetoresistance Oscillations in a Periodically Modulated Two-Dimensional Electron Gas

URN to cite this document:: urn:nbn:de:bvb:355-epub-78549
DOI to cite this document:: 10.5283/epub.7854

Gerhardts, R. ; Weiss, Dieter ; Klitzing, Klaus von

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Date of publication of this fulltext: 05 Aug 2009 13:57

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Abstract

A novel type of magnetoresistance oscillations is observed in high-mobility AlGaAs/GaAs heterojunctions with a holographically induced lateral periodic modulation in one direction. Theoretically, the effect is shown to result from an oscillatory dependence of the bandwidth of the modulation-broadened Landau levels of the two-dimensional electron system on the band index, which leads in ...