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Title: Static polarizability associated with multipole surface plasmons in metallic surfaces
Author: Barberán Falcón, Núria
Pi Pericay, Martí
Keywords: Polarització (Electricitat)
Propietats elèctriques
Estructura electrònica
Equacions de Lagrange
Plasmons (Física)
Polarization (Electricity)
Electric properties
Electronic structure
Lagrange equations
Plasmons (Physics)
Issue Date: 1995
Publisher: The American Physical Society
Abstract: An Euler-Lagrange-type equation is solved to different orders for aplane metallic system perturbed by the externa! operator Q used previously in a sum-rule calculation. This approach managed to reproduce to within a few percent the multipole surface-plasmon energies. The jellium model is used for the positive ionic background and local-density functionals for the Hamiltonian. From the zeroth-order Euler-Lagrange equation a self-consistent ground-state density is obtained and used in the first-order equation to obtain the induced density. From the induced density, several aspects of the system response are considered and special attention is focused on the static polarizability.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 1995, vol. 51, núm. 11, p. 7329-7332
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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