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cond-mat.mes-hall2013★ 20 cited
Observation of an anomalous density-dependent energy gap of the fractional quantum Hall state in the low density regime
N. Samkharadze, Dohyung Ro, L. N. Pfeiffer +2
We have studied the fractional quantum Hall state in a density-tunable sample at extremely low electron densities. For the densities accessed in our experiment, the Landau…
cond-mat.mes-hall2012★ 17 cited
Exploration of the Limits to Mobility in Two-Dimensional Hole Systems in GaAs/AlGaAs Quantum Wells
J. D. Watson, S. Mondal, G. Gardner +2
We report on the growth and electrical characterization of a series of two-dimensional hole systems (2DHSs) used to study the density dependence of low temperature mobility in 20 n…