Mechanisms of the microwave photoconductivity in two-dimensional electron systems with mixed disorder

I. A. Dmitriev, M. Khodas, A. D. Mirlin, D. G. Polyakov, M. G. Vavilov

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Abstract

We present a systematic study of the microwave-induced oscillations in the magnetoresistance of a two-dimensional electron gas for mixed disorder including both short-range and long-range components. The obtained photoconductivity tensor contains contributions of four distinct transport mechanisms. We show that the photoresponse depends crucially on the relative weight of the short-range component of disorder. Depending on the properties of disorder, the theory allows one to identify the temperature range within which the photoresponse is dominated by one of the mechanisms analyzed in the paper.

Original languageAmerican English
Article number165327
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume80
Issue number16
DOIs
StatePublished - 26 Oct 2009
Externally publishedYes

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