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dc.contributor.authorSerra, Llorençcat
dc.contributor.authorGarcias, Franciscacat
dc.contributor.authorNavarro Faus, Jesúscat
dc.contributor.authorBarberán Falcón, Núriacat
dc.contributor.authorBarranco Gómez, Manuelcat
dc.contributor.authorPi Pericay, Martícat
dc.description.abstractWithin the random-phase approximation (RPA), we have obtained the average surface-plasmon energy of voids and bubbles in nearly-free-electron metals using energy-weighted moments of the electronic response to operators of type r -(L+1) Y L0 . We have used a local-density approximation of Slater and Wigner type for the exchange and correlation energies, respectively, and the jellium model for the positive ionic background. Compact expressions for the plasmon average energies are given, which allow one to discuss clearly the role played by the kinetic- and Coulomb energy contributions to the restoring force of the L modes-
dc.publisherThe American Physical Societyeng
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per PROLA i
dc.relation.ispartofPhysical Review B, 1992, vol. 46, núm. 15, p. 9369-9379.eng
dc.rights(c) The American Physical Society, 1992eng
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationTeoria de banda d'energia dels sòlidscat
dc.subject.classificationPlasmons (Física)cat
dc.subject.otherEnergy-band theory of solidseng
dc.subject.otherPlasmons (Physics)eng
dc.titleElectronic surface excitations of cavities in metalseng
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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