Manifestation of Berry's phase in Aharonov-Bohm oscillations in a 2D system with spin-orbit interaction

Jeng Bang Yau, E. P. De Poortere, M. Shayegan

Research output: Contribution to journalArticle

Abstract

The manifestation of Berry's phase in Aharonov-Bohm (AB) oscillations in two dimensional systems of semiconducting InAs and GaAs with spin-orbit interactions was studied. The Fourier spectra of the AB oscillations containing well-resolved side peaks around the central peak were plotted. The results showed that the central peak occurred at πr2/(h/e), where r was the ring radius. The position and strength of the side peaks evolved within the range of magnetic fields over which the spectra were plotted.

Original languageEnglish (US)
Pages (from-to)211-216
Number of pages6
JournalMicroelectronic Engineering
Volume63
Issue number1-3
DOIs
StatePublished - Aug 1 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering

Keywords

  • Aharonov-Bohm oscillations
  • Berry's phase
  • Spin-orbit interaction

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