Spectrum of surface quantum plasmon resonances in high-magnetic field

G. Gumbs and D.J.W. Geldart

Physica A: Statistical Mechanics and its Applications, 1983, vol. 120, issue 1, 178-184

Abstract: For long wavelengths, there is an undamped quantum-type plasmon resonance (QPR) near each higher multiple of the cyclotron frequency nωc(n⩾2), for a bulk quantum plasma in the presence of an external magnetic field. This mode involves the coupling between magnetoplasmons and single-particle excitations of the Landau levels of the electron gas. In this paper, the nonlocal surface QPR is examined under high-magnetic field conditions, with the electrons occupying the lowest Landau level only. The magnetic field is perpendicular to the surface of the plasma. The surface QPR is evaluated in the long-wavelength limit, for the degenerate case. It is shown that this mode is naturally damped.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:120:y:1983:i:1:p:178-184

DOI: 10.1016/0378-4371(83)90273-X

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