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Magneto-Quantum Transport in 2D-Electron Systems with Periodic Modulation

URN to cite this document:
urn:nbn:de:bvb:355-epub-78585
Weiss, Dieter
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Date of publication of this fulltext: 05 Aug 2009 13:57


Abstract

The low temperature magnetoresistance of a high mobility two-dimensional electron gas - realized in GaAs-AlGaAs heterojunctions - is dominated by Shubnikov-de Haas oscillations, reflecting the discrete nature of the electron energy spectrum. When a weak one- or two-dimensional periodic potential with period a smaller than the electron mean free path is superimposed on the two-dimensional ...

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