Counter-propagating charge transport in the quantum Hall effect regime

The quantum Hall effect, observed in a two-dimensional (2D) electron gas subjected to a perpendicular magnetic field, imposes a 1D-like chiral, downstream, transport of charge carriers along the sample edges. Although this picture remains valid for electrons and Laughlin’s fractional quasiparticles,...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2019-01, Vol.363 (6422), p.54-57
Hauptverfasser:	Lafont, Fabien, Rosenblatt, Amir, Heiblum, Moty, Umansky, Vladimir
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum gallium arsenides Charge transport Current carriers Downstream Electromagnetism Electron gas Electrons Gallium arsenide Heterostructures Magnetic fields Quantum Hall effect Upstream
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