Nonhomogeneous electrostatic oscillations in two-dimensional systems

A new type of excitations — electrostatic oscillations (ESO) — are shown to exist in the finite superlattices (SL). The ESO are the limiting case of the surface magnetoplasmons when the scale length of the spatial variations in the fields and currents is comparable with the sample dimensions. The fo...

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Bibliographic Details
Published in:Solid state communications 1987-04, Vol.62 (2), p.133-134
Main Author: Tal'yanskii, V.I.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport in interface structures
Exact sciences and technology
Physics
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Summary:A new type of excitations — electrostatic oscillations (ESO) — are shown to exist in the finite superlattices (SL). The ESO are the limiting case of the surface magnetoplasmons when the scale length of the spatial variations in the fields and currents is comparable with the sample dimensions. The formal similarity is found between the ESO and the magnetization vibrations in ferromagnetic materials (Walker's modes [1,2]). The main feature of the ESO is the independence of their frequencis on the absolute dimensions of a sample.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(87)91129-X