Observation of a node in the quantum oscillations induced by microwave radiation

Abstract

The microwave induced magnetoresistance in GaAs/AlGaAs heterostructure was studied at temperatures below 1K and frequencies in the range of 150-400 GHz. A distinct node in the Shubnikov- de Haas oscillations, induced by the microwave radiation, is clearly observed. The node position coincides with the position of the cyclotron resonance on the carriers with effective mass (0.068 +/- 0.005) m0.

arXiv commentto be published in Solid State Communications

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• Kubo formula for Floquet states and photoconductivity oscillations in a 2D electron gas
• Theory of the microwave induced zero resistance states in two-dimensional electron systems
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• Combined study of microwave-power/linear-polarization dependence of the microwave-radiation-induced magnetoresistance oscillations in GaAs/AlGaAs devices
• Comparative study of microwave radiation-induced magnetoresistive oscillations induced by circularly- and linearly- polarized photo-excitation
• Theory of the microwave-induced photocurrent and photovoltage magnetooscillations in a spatially non-uniform 2D electron gas
• Photo-excited zero-resistance states in the GaAs/AlGaAs system
• Photoconductivity in AC-driven modulated two dimensional electron gas in a perpendicular magnetic field
• Multiple and virtual photon processes in radiation-induced magnetoresistance oscillations in two-dimensional electron systems
• Parametric resonance of a two-dimensional electron gas under bichromatic irradiation
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• Oscillatory and Vanishing Resistance States in Microwave Irradiated 2D Electron Systems
• Remotely sensed transport in microwave photoexcited GaAs/AlGaAs two-dimensional electron system
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• Nonlinear magnetoresistance of an irradiated two-dimensional electron system
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• Remote sensor response study in the regime of the microwave radiation-induced magnetoresistance oscillations
• Linear polarization study of microwave-radiation-induced magnetoresistance oscillations: Comparison of power dependence to theory
• Evolution of the linear-polarization-angle-dependence of the radiation-induced magnetoresistance-oscillations with microwave power