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Determination of the Fermi Contour and Spin-polarization of ν=3/2 Composite Fermions via Ballistic Commensurability Measurements

By Dobromir Kamburov and others
We report ballistic transport commensurability minima in the magnetoresistance of \nu =3/2 composite fermions (CFs). The CFs are formed in high-quality two-dimensional electron systems confined to wide GaAs quantum wells and subjected to an in-plane, unidirectional periodic potential modulation. We observe a slight asymmetry of the CF commensurability positions with... Show more
November 11, 2014
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Determination of the Fermi Contour and Spin-polarization of $ν=3/2$ Composite Fermions via Ballistic Commensurability Measurements
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