Multiple and virtual photon processes in radiation-induced magnetoresistance oscillations in two-dimensional electron systems

Abstract

Recently discovered new structures and zero-resistance states outside the well-known oscillations are demonstrated to arise from multiphoton assisted processes, by a detailed analysis of microwave photoresistance in two-dimensional electron systems under enhanced radiation. The concomitant resistance dropping and peak narrowing observed in the experiments are also reproduced. We show that the radiation-induced suppression of average resistance comes from virtual photon effect and exists throughout the whole magnetic field range.

4 pages, 2 figures, published version

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Cited by in corpus (15)

• Nonequilibrium phenomena in high Landau levels
• Mechanisms of the microwave photoconductivity in 2D electron systems with mixed disorder
• Microwave photoconductivity of a 2D electron gas: Mechanisms and their interplay at high radiation power
• Theory of the fractional microwave-induced resistance oscillations
• Theory of the microwave-induced photocurrent and photovoltage magnetooscillations in a spatially non-uniform 2D electron gas
• Magnetoresistance oscillations in two-dimensional electron systems under monochromatic and bichromatic radiations
• Nonlinear theory of fractional microwave-induced magnetoresistance oscillations in a dc-driven two-dimensional electron system
• Radiation-induced magnetoresistance oscillations in two-dimensional electron systems under bichromatic irradiation
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• Magneto-resistance oscillations induced by high-intensity terahertz radiation
• Fractional microwave-induced resistance oscillations