Absorption of electromagnetic radiation by electrons of a nanosphere

被引:0
作者
D. V. Bulaev
V. A. Margulis
机构
[1] Mordovian State University,
来源
Physics of the Solid State | 2002年 / 44卷
关键词
Radiation; Spectroscopy; State Physics; Electromagnetic Radiation; Absorption Curve;
D O I
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学科分类号
摘要
The electrodynamic response of an electron gas on the surface of a nanosphere is investigated. An analytical relationship for the absorption of electromagnetic radiation by the nanosphere is derived. It is demonstrated that the absorption curve at low temperatures has two resonance peaks. The shape, position, and intensity of the peaks are examined. The dependence of the absorption on the radiation frequency exhibits kinks associated with the degeneracy of the electron gas. The number and position of the kinks and the absorption jumps at these kinks are analyzed. Consideration is given to the cases of an isolated sphere and a sphere exchanging electrons with a reservoir.
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页码:1632 / 1642
页数:10
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