Strongly localized plasmon oscillations in a cluster of two metallic nanospheres and their influence on spontaneous emission of an atom

被引：56
|
作者：
Klimov, V. V. [1 ]
Guzatov, D. V. [1 ]
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
来源：
PHYSICAL REVIEW B | 2007年 / 75卷 / 02期
关键词：
D O I：
10.1103/PhysRevB.75.024303
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The plasmon oscillations in a cluster of two nearly touching metallic nanospheres are studied. Simple analytical expressions have been found for the spectra of plasmon oscillations of different symmetry. A type of plasmon oscillations ("plasmonic molecule") which are strongly localized between the spheres and which totally disappear at separation of the spheres has been discovered. The plasmon oscillations found have a dramatic effect on the optical properties of an atom localized between the spheres.
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页数：7
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