Conduction threshold and pinning frequency of magnetically induced Wigner solid.
作者： F. I. B. Williams , P. A. Wright , R. G. Clark , E. Y. Andrei , G. Deville
DOI: 10.1103/PHYSREVLETT.66.3285
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摘要: The 2D quantum system of electrons at a GaAs/GaAlAs heterojunction in high magnetic field low temperature is shown to exhibit conduction typical pinned charge-density waves. Crossover from Ohmic occurs on the same boundary which radio-frequency resonances signal onset transverse elasticity. A further small non-Ohmic region isolated main area by v=1/5 quantum-Hall-effect phase. relationship found between threshold and resonance frequency well accounted for model electron crystallites.
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