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Nonlocal dispersion of edge magnetoplasma excitations in a two-dimensional electron system

Physical Review Letters, ISSN: 0031-9007, Vol: 67, Issue: 8, Page: 1019-1022
1991
  • 57
    Citations
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    Usage
  • 5
    Captures
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Metrics Details

  • Citations
    57
    • Citation Indexes
      57
  • Captures
    5

Article Description

Edge magnetoplasma excitations in a two-dimensional electron system have been studied in radio-frequency experiments which exhibit a strong nonlocal behavior of the plasmon dispersion. The nonlocality is shown to be caused by the diagonal conductivity xx, which, via a length xx, governs the spatial distribution of the plasma charge oscillations in the direction perpendicular to the plasmon wave vector, i.e., to the edge of the two-dimensional layer. © 1991 The American Physical Society.

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