Surface collective oscillations of metal clusters and spheres: Random-phase-approximation sum-rules approach

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Títol:	Surface collective oscillations of metal clusters and spheres: Random-phase-approximation sum-rules approach
Autor/a:	Serra, Llorenç; Garcias, Francisca; Barranco Gómez, Manuel; Navarro Faus, Jesús; Balbás Ruesgas, Luis Carlos; Mañanes, A.
Altres autors:	Universitat de Barcelona
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.
Matèries:	-Estructura atòmica -Processos estocàstics -Estructura molecular -Atomic structure -Molecular structure -Stochastic processes
Drets:	(c) The American Physical Society, 1989
Tipus de document:	Article Article - Versió publicada
Publicat per:	The American Physical Society
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Serra, Llorenç; Garcias, Francisca; Barranco Gómez, Manuel; Barberán Falcón, Núria; Navarro Faus, Jesús

Serra, Llorenç; Garcias, Francisca; Barranco Gómez, Manuel; Barberán Falcón, Núria; Navarro Faus, Jesús

Serra, Llorenç; Garcias, Francisca; Navarro Faus, Jesús; Barberán Falcón, Núria; Barranco Gómez, Manuel; Pi Pericay, Martí

Garcias, Francisca; Mañanes, A.; López Rodríguez, José Manuel; Alonso, J. A. (Julio A.), 1948-; Barranco Gómez, Manuel

Rubio, A.; Balbás Ruesgas, Luis Carlos; Serra, Llorenç; Barranco Gómez, Manuel

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