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Title: Surface collective oscillations of metal clusters and spheres: Random-phase-approximation sum-rules approach
Author: Serra, Llorenç
Garcias, Francisca
Barranco Gómez, Manuel
Navarro Faus, Jesús
Balbás Ruesgas, Luis Carlos
Mañanes, A.
Keywords: Estructura atòmica
Processos estocàstics
Estructura molecular
Atomic structure
Molecular structure
Stochastic processes
Issue Date: 1989
Publisher: The American Physical Society
Abstract: Using the once and thrice energy-weighted moments of the random-phase-approximation strength function, we have derived compact expressions for the average energy of surface collective oscillations of clusters and spheres of metal atoms. The L=0 volume mode has also been studied. We have carried out quantal and semiclassical calculations for Na and Ag systems in the spherical-jellium approximation. We present a rather thorough discussion of surface diffuseness and quantal size effects on the resonance energies.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 1989, vol. 39, núm. 12, p. 8247-8256.
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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