Giant microwave photoresistivity in a high-mobility quantum Hall system

Abstract

We report the observation of a remarkably strong microwave photoresistivity effect in a high-mobility two-dimensional electron system subject to a weak magnetic field and low temperature. The effect manifests itself as a giant microwave-induced resistivity peak which, in contrast to microwave-induced resistance oscillations, appears only near the second harmonic of the cyclotron resonance and only at sufficiently high microwave frequencies. Appearing in the regime linear in microwave intensity, the peak can be more than an order of magnitude stronger than the microwave-induced resistance oscillations and cannot be explained by existing theories.

4 pages, 4 figures

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Cited by in corpus (40)

• Nonequilibrium phenomena in high Landau levels
• Giant negative magnetoresistance in high-mobility 2D electron systems
• Colossal negative magnetoresistance in a 2D electron gas
• Viscosity of two-dimensional electrons
• Cyclotron resonance overtones and near-field magnetoabsorption via terahertz Bernstein modes in graphene
• Observation of microwave-induced resistance oscillations in strained Ge/SiGe quantum wells
• Two-dimensional electron honey: highly viscous electron fluid in which transverse magnetosonic waves can propagate
• Evidence for effective mass reduction in GaAs/AlGaAs quantum wells
• Multiphoton microwave photoresistance in a high-mobility two-dimensional electron gas
• Hydrodynamic charge transport in GaAs/AlGaAs ultrahigh-mobility two-dimensional electron gas
• Bernstein modes and giant microwave response of two-dimensional electron system
• Hall field-induced resistance oscillations in Ge/SiGe quantum wells
• 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
• Theoretical model for negative giant magnetoresistance in ultra-high-mobility 2D electron systems
• Non-linear response of a high mobility two-dimensional electron system near the second harmonic of the cyclotron resonance
• Phase of phonon-induced resistance oscillations in a high-mobility two-dimensional electron gas
• Scattering mechanisms in state-of-the-art GaAs/AlGaAs quantum wells
• Commensurability resonances in two-dimensional magneto-electric lateral superlattices
• Hall effect in Poiseuille flow of two-dimensional electron fluid
• Two-dimensional electron hydrodynamics in a random array of impenetrable obstacles: Magnetoresistivity, Hall viscosity, and the Landauer dipole
• Magnetoplasmon resonance in 2D electron system driven into a zero-resistance state
• Nonlinear response in overlapping and separated Landau levels of GaAs quantum wells
• Radiation-assisted magnetotransport in two-dimensional electron gas systems: appearance of zero resistance states
• Observation of High Harmonics of the Cyclotron Resonance in Microwave Transmission of a High-Mobility Two-Dimensional Electron System
• Nonlinear transport in 2D electron gas exhibiting colossal negative magnetoresistance
• Undamped relativistic magnetoplasmons in lossy two-dimensional electron systems
• Micromagnets dramatically enhance effects of viscous hydrodynamic flow in two-dimensional electron fluid
• Microwave-induced off-resonance giant magnetoresistance in ultraclean two-dimensional electron systems
• Driving Viscous Hydrodynamics in Bulk Electron Flow in Graphene Using Micromagnets
• Shear Bernstein modes in a two-dimensional electron liquid
• Spin imaging of Poiseuille flow of viscous electronic fluid
• Highly correlated two-dimensional viscous electron fluid in moderate magnetic fields
• Probing Fermi liquid exceptional points through AC conductivity
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