Magnetoplasma waves on the semiconductor nanotube surface

Details Magnetoplasma waves on the semiconductor nanotube surface Magnetoplasma waves on the semiconductor nanotube surface

2009-02-23

arxiv.org/abs/0902.3843v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

12 pages

Scientific paper

The effective mass approximation is used to consider plasma and magnetoplasma waves in an electron system on the surface of the semiconductor cylindrical nanotube. The electron-electron coupling is taken into account in the random phase approach. In the case of a degenerate electron gas the spectral windows on the wavevector-frequency plane and the spectra of the waves are obtained. Their frequencies undergo quantum oscillations of the de Haas-van Alfven type which are attributed to the Fermi level traversing the sub-zone boundaries in the electron energy spectrum. The spectrum and the damping of waves in the non-degenerate electron gas were found. In a magnetic field parallel to the cylinder axis the frequencies of the magnetoplasma waves sustain the Aharonov-Bohm type oscillations that appear with changing magnetic field strength.

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