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Skipping Orbit Electron Motion in GaAs-AlGaAs Quantum Wires Detected by Raman Spectroscopy

Ulrichs, E. ; Biese, G. ; Steinebach, C. ; Schüller, Christian ; Heitmann, Detlef ; Eberl, Karl
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Date of publication of this fulltext: 02 Oct 2009 08:53


Abstract

We have investigated the elementary electronic excitations of the quasi-one-dimensional (1D) magnetoplasma in GaAs-AlGaAs quantum wires by resonant inelastic light scattering. In narrow quantum wire samples we observe the 1D intrasubband plasmon if a wave vector is transferred parallel to the wire direction. This 1D plasmon shows a negative dispersion with magnetic field, which arises from ...

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