Oscillatory nonlinear differential magnetoresistance of highly mobile 2D electrons in high Landau levels

preprint2009arXivOpen access

Abstract

We examine the current-induced magnetoresistance oscillations in high-mobility two-dimensional electron systems using the balance-equation scheme for nonlinear magnetotransort. The reported analytical expressions for differential magnetoresistivity at high filling factors in the overlapping Landau-level regime, which show good agreement with the experimental observation and the numerical calculation, may be helpful in extracting physical information from experiments.

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