Low-frequency absorption of electro-magnetic radiation in thin metallic films

被引：2
|
作者：
Santer, M [1 ]
Mehlig, B [1 ]
机构：
[1] Univ Freiburg, Fac Phys, D-79104 Freiburg, Germany
来源：
PHYSICA E | 2001年 / 11卷 / 01期
关键词：
mesoscopic systems; optical spectra; finite electronic quantum systems;
D O I：
10.1016/S1386-9477(01)00164-3
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We study the absorption of low-frequency radiation in thin metallic films with ballistic electron dynamics. Incorporating screening effects, we calculate an approximation to the effective potential inside the film using a quasi-classical approach. This approach combined with Fermi's golden rule is used to derive an analytical formula for the absorption coefficient valid for frequencies much smaller than the plasma frequency, and high electron densities. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：8 / 16
页数：9
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