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Article

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Published version

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1995

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/10596

Static polarizability associated with multipole surface plasmons in metallic surfaces

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http://dx.doi.org/10.1103/PhysRevB.51.7329

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.

Subject

Polarització (Electricitat), Propietats elèctriques, Estructura electrònica, Equacions de Lagrange, Plasmons (Física)

Subject (English)

Polarization (Electricity), Electric properties, Electronic structure, Lagrange equations, Plasmons (Physics)

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Articles publicats en revistes (Física Quàntica i Astrofísica)

Citation

BARBERÁN FALCÓN, Núria and PI PERICAY, Martí. Static polarizability associated with multipole surface plasmons in metallic surfaces. Physical Review B. 1995. Vol. 51, num. 11, pags. 7329-7332. ISSN 0163-1829. [consulted: 12 of August of 2026]. Available at: https://hdl.handle.net/2445/10596

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