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4 papers · 2 filters
Density and well width dependences of the effective mass of twodimensional holes in (100) GaAs quantum wells measured by cyclotron resonance at microwave frequencies
H. Zhu, K. Lai, D. C. Tsui +5
Cyclotron resonance at microwave frequencies is used to measure the band mass (m_b) of the two-dimensional holes (2DH's) in carbon-doped (100) GaAs/AlxGa1-xAs heterostructures. The…
Large Bychkov-Rashba spin-orbit coupling in high-mobility GaN/AlGaN heterostructures
S. Schmult, M. J. Manfra, A. Punnoose +3
We present low temperature magnetoconductivity measurements of a density-tunable and high mobility two-dimensional electron gas confined in the wide bandgap GaN/AlGaN system. We ob…
Switching noise as a probe of statistics in the fractional quantum Hall effect
Eytan Grosfeld, Steven H. Simon, Ady Stern
We propose an experiment to probe the unconventional quantum statistics of quasi-particles in fractional quantum Hall states by measurement of current noise. The geometry we consid…
Frequency quenching of microwave induced resistance oscillations in a high mobility two-dimensional electron gas
S. A. Studenikin, A. S. Sachrajda, J. A. Gupta +8
The frequency dependence of microwave-induced resistance oscillations (MIROs) has been studied experimentally in high-mobility electron GaAs/AlGaAs structures to explore the limits…