Microwave Photoresistance in dc-driven 2D Systems at Cyclotron Resonance Subharmonics

Abstract

We study microwave photoresistivity oscillations in a high mobility two-dimensional electron system subject to strong dc electric fields. We find that near the second subharmonic of the cyclotron resonance the frequency of the resistivity oscillations with dc electric field is twice the frequency of the oscillations at the cyclotron resonance, its harmonics, or in the absence of microwave radiation. This observation is discussed in terms of the microwave-induced sidebands in the density of states and the interplay between different scattering processes in the separated Landau level regime.

4 pages, 4 figures

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Cited by in corpus (25)

• Nonequilibrium phenomena in high Landau levels
• Mechanisms of the microwave photoconductivity in 2D electron systems with mixed disorder
• Temperature Dependence of Microwave Photoresistance in 2D Electron Systems
• Giant negative magnetoresistance in high-mobility 2D electron systems
• Giant microwave photoresistivity in a high-mobility quantum Hall system
• Role of electron-electron interactions in nonlinear transport in 2D electron systems
• Effect of microwave radiation on non-linear resistivity of a two-dimensional electron gas at large filling factors
• Non-linear Magnetoresistance Oscillations in Intensely Irradiated Two-Dimensional Electron Systems Induced by Multi-Photon Processes
• Evidence for effective mass reduction in GaAs/AlGaAs quantum wells
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• Multiphoton microwave photoresistance in a high-mobility two-dimensional electron gas
• Theory of the microwave-induced photocurrent and photovoltage magnetooscillations in a spatially non-uniform 2D electron gas
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• Phase of phonon-induced resistance oscillations in a high-mobility two-dimensional electron gas
• Non-linear Transport Phenomena and Current-induced Hydrodynamics in Ultra-high Mobility Two-dimensional Electron Gas
• Shubnikov-de Haas oscillations in two-dimensional electron gas under subterahertz radiation
• Magnetoplasmon resonance in 2D electron system driven into a zero-resistance state
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• Effect of density on microwave-induced resistance oscillations in back-gated GaAs quantum wells