Long-wavelength electromagnetic propagation in magnetoplasmonic core-shell nanostructures

被引：13
|
作者：
Mezeme, M. Essone [1 ]
Lasquellec, S. [1 ]
Brosseau, C. [1 ,2 ]
机构：
[1] Univ Brest, Univ Europeenne Bretagne, Lab STICC, CS 93837, F-29238 Brest 3, France
[2] Univ Bretagne Occidentale, Dept Phys, F-29269 Brest, France
来源：
PHYSICAL REVIEW E | 2010年 / 81卷 / 05期
关键词：
D O I：
10.1103/PhysRevE.81.057602
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Our goal is to estimate the validity of the product rule by computing the effective permittivity and magnetic permeability of magnetoplasmonic core-shell (CS) nanostructures. We discuss the departure of the simulation from the quasistatic mean-field product rule when calculated close from resonance. The corrections to mean-field analysis are shown to be so large at a high fraction of CS inclusion that they can exceed the mean-field value by more than 750% (at the plasmon resonance). It is further shown how the spatially nonuniform electric and magnetic field enhancements extend over nanometer length scales.
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页数：4
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