Excitation spectra of coupled metallic slabs

The polarisability of the system consisting of two parallel thin metallic slabs within the jellium model is obtained within the assumption that the electron densities of the slabs do not overlap. It is then used to calculate, for the first time, the excitation spectra and dispersion relations of the...

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Bibliographic Details
Published inSolid state communications Vol. 140; no. 6; pp. 270 - 275
Main Authors Despoja, V., Marušić, L., Šunjić, M.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.11.2006
Elsevier
Subjects
A. Coupled metallic slabs
Condensed matter: electronic structure, electrical, magnetic, and optical properties
D. Dispersion relations
E. Excitation spectra
Electron states
Exact sciences and technology
Physics
Theories and models of many electron systems
D. Dispersion relations
73.20.Mf
A. Coupled metallic slabs
E. Excitation spectra
73.21.-b
73.20.Mf; 73.21.-b
Jellium model
Polarizability
Dispersion relations
A. Coupled metallic slabs; D. Dispersion relations; E. Excitation spectra
Excitation spectrum
Electron density
Collective excitations
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Summary:The polarisability of the system consisting of two parallel thin metallic slabs within the jellium model is obtained within the assumption that the electron densities of the slabs do not overlap. It is then used to calculate, for the first time, the excitation spectra and dispersion relations of the collective surface excitations of that system. The dispersion relations are compared with the classical ones to enable the classification of the excitation modes.
ISSN:0038-1098
1879-2766
DOI:10.1016/j.ssc.2006.08.036