Longitudinal dielectric behavior of a harmonically bound two-dimensional electron gas in a uniform magnetic field

We have employed random-phase approximation to determine the inverse dielectric function for a harmonically confined two-dimensional electron gas in a magnetic field. We examine the plasmon dispersion relation and show the results for the variation of plasmon frequency with the magnetic field streng...

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Bibliographic Details
Published in:Physica. E, Low-dimensional systems & nanostructures Low-dimensional systems & nanostructures, 2004-05, Vol.22 (4), p.843-851
Main Authors: Sabeeh, K., Horing, N.J.M., Fessatidis, V.
Format: Article
Language:English
Subjects:
Collective excitations
Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)
Collective excitations (including plasmons and other charge-density excitations)
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron states and collective excitations in thin films, multilayers, quantum wells, mesoscopic and nanoscale systems
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Exact sciences and technology
Physics
Plasmons
Quantum dots
Surface and interface electron states
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Summary:We have employed random-phase approximation to determine the inverse dielectric function for a harmonically confined two-dimensional electron gas in a magnetic field. We examine the plasmon dispersion relation and show the results for the variation of plasmon frequency with the magnetic field strength and confinement energy.
ISSN:1386-9477
1873-1759
DOI:10.1016/j.physe.2003.09.041