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Thermally activated intersubband scattering and oscillating magnetoresistance in quantum wells
S. Wiedmann, G. M. Gusev, O. E. Raichev +2
Experimental studies of magnetoresistance in high-mobility wide quantum wells reveal oscillations which appear with an increase in temperature to 10 K and whose period is close to…
Microwave zero-resistance states in a bilayer electron system
S. Wiedmann, G. M. Gusev, O. E. Raichev +2
Magnetotransport measurements on a high-mobility electron bilayer system formed in a wide GaAs quantum well reveal vanishing dissipative resistance under continuous microwave irrad…
Crossover between distinct mechanisms of microwave photoresistance in bilayer systems
S. Wiedmann, G. M. Gusev, O. E. Raichev +2
We report on temperature-dependent magnetoresistance measurements in balanced double quantum wells exposed to microwave irradiation for various frequencies. We have found that the…