Wikinson, M. and Mehlig, B.
|DOI (Digital Object Identifier) Link:||http://dx.doi.org/10.1088/0953-8984/12/50/310|
|Google Scholar:||Look up in Google Scholar|
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|
|Keywords:||condensed matter: electrical, magnetic and optical|
|Academic Unit/Department:||Mathematics, Computing and Technology > Mathematics and Statistics
Mathematics, Computing and Technology
|Depositing User:||Michael Wilkinson|
|Date Deposited:||04 Apr 2011 11:15|
|Last Modified:||14 Jan 2016 16:45|
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