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cond-mat.str-el2007★ 29 cited
Direct measurements of the fractional quantum Hall effect gaps
V. S. Khrapai, A. A. Shashkin, M. G. Trokina +5
We measure the chemical potential jump across the fractional gap in the low-temperature limit in the two-dimensional electron system of GaAs/AlGaAs single heterojunctions. In the f…
cond-mat.str-el2004★ 21 cited
Spin gap in the 2D electron system of GaAs/AlGaAs single heterojunctions in weak magnetic fields
V. S. Khrapai, A. A. Shashkin, E. L. Shangina +4
We study the interaction-enhanced spin gaps in the two-dimensional electron gas confined in GaAs/AlGaAs single heterojunctions subjected to weak magnetic fields. The values are obt…