Dispersion relations for plasmons in complex-shaped nanoparticle chains

被引:8
|
作者
Pikalov, Anton M. [1 ]
Dorofeenko, Alexander, V [2 ,3 ,4 ]
Lozovik, Yurii E. [3 ,5 ,6 ]
机构
[1] Moscow MV Lomonosov State Univ, Phys Dept, 1 Leninskie Gory, Moscow 119991, Russia
[2] Inst Theoret & Appl Electromagnet, 13 Izhorskaya, Moscow 125412, Russia
[3] Dukhov Res Inst Automat, 22 Suschevskaya, Moscow 127055, Russia
[4] Moscow Inst Phys & Technol, 9 Inst Skiy Pereulok, Dolgoprudnyi 141700, Moscow Region, Russia
[5] RAS, Inst Spect, 5 Fizicheskaya, Troitsk 142190, Russia
[6] Natl Res Univ, Higher Sch Econ, 20 Myasnitskaya, Moscow 101000, Russia
基金
俄罗斯科学基金会;
关键词
SPLIT-RING-RESONATORS; WAVE-GUIDE; MODES; TRANSPORT;
D O I
10.1103/PhysRevB.98.085134
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A method for finding dispersion in chains of plasmonic particles of arbitrary shape is proposed. Our approach is based on analytic continuation via polylogarithms and is basically a generalization of the method known for spherical nanoparticle chains. As an example, we consider an axial chain of split-ring resonators. Three distinct solutions are distinguished, namely, two plasmons and a nonexponential wave. Dispersion relations, decay profiles, and spectra of excitation by a point source are obtained and compared with that in a spherical nanoparticle chain. The nuances of implementing the method are discussed.
引用
收藏
页数:14
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