Published June 28, 1993
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Two-plasmon excitations in metallic clusters
Creators
- 1. Istituto Nazionale di Fisica Nucleare, Catania (Italy)
- 2. Paris-11 Univ., 91 - Orsay (France). Inst. de Physique Nucleaire
- 3. Grand Accelerateur National d'Ions Lourds (GANIL), 14 - Caen (France)
- 4. Paris-11 Univ., 91 - Orsay (France). Div. de Physique Theorique
Description
A boson expansion method is used to study one- and two-boson states in metallic clusters. A jellium model and LDA energy density functional are the starting point for obtaining the basic bosons describing electron excitations. A boson mapping allows one to diagonalize the residual interaction between bosons. On the example of the Na21+ cluster, it is found that strong anharmonic effects appear in the electronic excitation spectrum. (author) 21 refs.; 2 figs.; 3 tabs
Availability note (English)
MF available from INIS under the Report Number.Files
25023482.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 17 p.
- Report number
- GANIL-P--93-15
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 25023482
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- ANHARMONIC OSCILLATORS; BOSON EXPANSION; ELECTRON SPECTRA; ENERGY DENSITY; EXCITED STATES; PLASMONS; SODIUM IONS; SOLID CLUSTERS
- Descriptors DEC
- CHARGED PARTICLES; ENERGY LEVELS; IONS; QUASI PARTICLES; SPECTRA