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Advances in Solid State Physics pp 155–167Cite as

Selective Edge Excitation — Inter-Edge Magnetoplasmon Mode and Inter-Edge Spin Diode

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Abstract

The selective excitation and detection of quantum Hall edge states has opened access to several interesting phenomenons, two of which are addressed in this paper: Firstly we conducted time-resolved current measurements of edge magnetoplasmons. At filling factors close to ν = 3 we observe two decoupled modes of edge excitations, one of which is related to the innermost compressible strip and is identified as an inter-edge magnetoplasmon mode. From the analysis of the propagation velocities of each mode the internal spatial parameters of the edge structure are derived. Secondly we have studied the tunnelling between spin polarised edge states at high magnetic fields up to 28 T. Measurements of the inter-edge I-V characteristic in tilted magnetic fields B allow to determine the effective g-factor g*(B). We also observe a dynamical nuclear.

Keywords

  • Edge State
  • Dynamic Nuclear Polarisation
  • Edge Structure
  • Edge Channel
  • Quantum Hall System

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Authors and Affiliations

  1. Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge, CB3 0HE, UK

    Frank Hohls

  2. Institut für Festkörperphysik, Universität Hannover, Appelstr. 2, 30167, Hannover, Germany

    Frank Hohls, Gennadiy Sukhodub & Rolf J. Haug

Authors
  1. Frank Hohls
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  2. Gennadiy Sukhodub
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  3. Rolf J. Haug
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Hohls, F., Sukhodub, G., Haug, R.J. (2008). Selective Edge Excitation — Inter-Edge Magnetoplasmon Mode and Inter-Edge Spin Diode. In: Advances in Solid State Physics. Advances in Solid State Physics, vol 46. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-38235-5_12

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