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Title: Electronic surface excitations of cavities in metals
Author: Serra, Llorenç
Garcias, Francisca
Navarro Faus, Jesús
Barberán Falcón, Núria
Barranco Gómez, Manuel
Pi Pericay, Martí
Keywords: Teoria de banda d'energia dels sòlids
Plasmons (Física)
Energy-band theory of solids
Plasmons (Physics)
Issue Date: 1992
Publisher: The American Physical Society
Abstract: Within 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
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 1992, vol. 46, núm. 15, p. 9369-9379.
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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