Non-linear response of a high mobility two-dimensional electron system near the second harmonic of the cyclotron resonance

Abstract

Recent experiments on microwave-irradiated high-mobility two-dimensional electron systems revealed a novel photoresistivity peak in the vicinity of the second cyclotron resonance harmonic. Here we report on the nonlinear transport measurements and demonstrate that the peak can be induced by modest dc fields and that its position is not affected even by strong dc fields, in contrast to microwave-induced resistance oscillations that shift to higher magnetic fields. These findings reinforce the notion that the peak cannot be described by existing models and provides important constraints for further theoretical considerations.

4 pages, 3 figures

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Cited by in corpus (13)

• Nonequilibrium phenomena in high Landau levels
• Giant negative magnetoresistance in high-mobility 2D electron systems
• Evidence for effective mass reduction in GaAs/AlGaAs quantum wells
• Multiphoton microwave photoresistance in a high-mobility two-dimensional electron gas
• Bernstein modes and giant microwave response of two-dimensional electron system
• The photoresponse of a two-dimensional electron gas at the second harmonic of the cyclotron resonance
• Microwave-induced resistance oscillations in tilted magnetic fields
• Quantum lifetime of 2D electron in magnetic field
• Microwave photoresistance in a two-dimensional electron gas with separated Landau levels
• Phase of phonon-induced resistance oscillations in a high-mobility two-dimensional electron gas
• Magnetoplasmon resonance in 2D electron system driven into a zero-resistance state
• Microwave-induced zero-resistance" states and second-harmonic generation in an ultraclean two-dimensional electron gas
• Microwave-induced off-resonance giant magnetoresistance in ultraclean two-dimensional electron systems