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Current Carrying Edge Channels and the Role of Contacts in the Quantum Hall Regime

URN to cite this document:
urn:nbn:de:bvb:355-epub-79476
Müller, G. ; Weiss, Dieter ; Koch, S. ; Klitzing, Klaus von ; Nickel, H. ; Schlapp, W. ; Lösch, R.
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Date of publication of this fulltext: 05 Aug 2009 13:58


Abstract

By selectively populating spin resolved edge channels using Schottky gates we experimentally investigate the transition from adiabatic to equilibrated transport in the Quantum Hall regime. The scattering processes within a contact e. g. provide an excellent possibility to equilibrate nonequally populated edge channels. Here we demonstrate that not only with metallic reservoirs but also with ...

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