Experiments on Aharonov-Bohm conductance oscillations: A statistical analysis of the averaged Fourier spectrum

F. E. Meijer, J. Nitta, T. Koga, A. F. Morpurgo, T. M. Klapwijk

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

We study the shape of the Fourier spectrum of Aharonov-Bohm conductance oscillations measured in a 2D ring in the presence of Rashba spin-orbit interaction. As expected, the shape of the Fourier spectrum of any single measurement is dominated by sample specific effects. This impedes the observation of possible effects due to the electron spin. We show in detail how the analysis of the ensemble averaged Fourier spectrum permits to reduce sample specific features and how to quantify this reduction in a well-defined statistical way. We find that in the averaged Fourier spectrum a structure appears which is not due to sample specific effects.

Original languageEnglish
Pages (from-to)402-405
Number of pages4
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume22
Issue number1-3
DOIs
Publication statusPublished - 2004 Apr
Externally publishedYes
Event15th International Conference on ELectronic Propreties - Nara, Japan
Duration: 2003 Jul 142003 Jul 18

Keywords

  • Aharonov-Bohm oscillations
  • Ensemble averaging
  • Rashba spin-orbit interaction
  • Statistical analysis

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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