Recognition: unknown
Microwave zero-resistance states in a bilayer electron system
classification
❄️ cond-mat.mes-hall
keywords
microwavebilayerelectronstatessystemzero-resistanceabsoluteadditional
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Magnetotransport measurements on a high-mobility electron bilayer system formed in a wide GaAs quantum well reveal vanishing dissipative resistance under continuous microwave irradiation. Profound zero-resistance states (ZRS) appear even in the presence of additional intersubband scattering of electrons. We study the dependence of photoresistance on frequency, microwave power. and temperature. Experimental results are compared with a theory demonstrating that the conditions for absolute negative resistivity correlate with the appearance of ZRS.
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