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2009 | 7 | 4 | 721-730
Tytuł artykułu

Dielectric response of metallic crystal made up of highly polarisable molecules: the semi-classical approach

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The dielectric response is considered within models of a one-band metal, a two-band insulator and a two-band metal using the semi-classical approximation. Corresponding dielectric functions are found. The dielectric function of two-band metal is found to be the interpolation between the Sellmeyer and Lorenz-Lorentz expressions, respectively. The frequencies of the collective modes are identified as the zeroes of the dielectric functions. The correspondence between the semi-classical approach used in this paper and the many-body calculation within the random-phase approximation is established.
Wydawca

Czasopismo
Rocznik
Tom
7
Numer
4
Strony
721-730
Opis fizyczny
Daty
wydano
2009-12-01
online
2009-07-21
Twórcy
  • University of Split, Faculty of Science, Teslina 12, 21000, Split, Croatia, agicz@pmfst.hr
  • University of Split, Faculty of Science, Teslina 12, 21000, Split, Croatia, pasko@pmfst.hr
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11534-008-0160-8
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