Magnetotransport in a two-dimensional electron system in dc electric fields

Abstract

We report on nonequilibrium transport measurements in a high-mobility two-dimensional electron system subject to weak magnetic field and dc excitation. Detailed study of dc-induced magneto-oscillations, first observed by Yang {\em et al}., reveals a resonant condition that is qualitatively different from that reported earlier. In addition, we observe dramatic reduction of resistance induced by a weak dc field in the regime of separated Landau levels. These results demonstrate similarity of transport phenomena in dc-driven and microwave-driven systems and have important implications for ongoing experimental search for predicted quenching of microwave-induced zero-resistance states by a dc current.

Revised version, to appear in Phys. Rev. B

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Cited by in corpus (70)

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• Hall field-induced resistance oscillations in tilted magnetic fields
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• Effect of Berry Phase on Nonlinear Response of Two-dimensional Fermions
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• Phase-sensitive bichromatic photoresistance in a two-dimensional electron gas
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• Nonlinear response of a MgZnO/ZnO heterostructure close to zero bias
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