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Absorption of low-frequency radiation by small metallic particles: a semiclassical random phase approximation

Wikinson, M. and Mehlig, B. (2000). Absorption of low-frequency radiation by small metallic particles: a semiclassical random phase approximation. Journal of Physics: Condensed Matter, 12(50) pp. 10481–10498.

DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1088/0953-8984/12/50/310
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Abstract

Calculations of low-frequency absorption of electromagnetic radiation by small conducting particles must take account of screening of the externally applied field due to polarization charges. In this paper we introduce a `semiclassical' variant of the random-phase-approximation (RPA) method for obtaining the self-consistent field. Electric and magnetic dipole absorption are treated within a unified scheme, and we also demonstrate the equivalence of this approach to a superficially dissimilar perturbative method. The approach is more tractable than the full RPA equations, and allows us to discuss the effective potential for both diffusive and ballistic electron dynamics.

Item Type: Journal Article
Copyright Holders: 2000 IOP Publishing Ltd
ISSN: 0953-8984
Keywords: condensed matter: electrical, magnetic and optical
Academic Unit/Department: Mathematics, Computing and Technology > Mathematics and Statistics
Item ID: 9311
Depositing User: Michael Wilkinson
Date Deposited: 04 Apr 2011 11:15
Last Modified: 04 Apr 2011 11:15
URI: http://oro.open.ac.uk/id/eprint/9311
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