The numerical scheme of the discrete sources method to analyze 3D plasmonic nanostructures accounting for the non-local effect

The numerical scheme of the discrete sources method to analyze 3D plasmonic nanostructures accounting for the non-local effect
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DOI：
10.1016/j.jcp.2019.03.018
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发表时间：
2019-07
期刊：
J. Comput. Phys.
影响因子：
--
通讯作者：
Y. Eremin;A. Doicu;T. Wriedt
Y. Eremin;A. Doicu;T. Wriedt
中科院分区：
其他
文献类型：
--
作者：
Y. Eremin;A. Doicu;T. Wriedt

文献摘要

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我们提出了一种扩展的离散源法，用于求解考虑非局域效应的时间调和Maxwell方程。详细描述了非局域流体力学Drude模型和广义非局域光学响应模型的耦合数值格式。给出了单个非球形粒子和线性二聚体的数值计算结果。结果表明，离散源法可以有效地模拟各种三维散射问题中的非局域效应。
We present an extension of the discrete sources method for solving the time-harmonic Maxwell equations accounting for the non-local effect. The developed numerical scheme coupling the non-local hydrodynamic Drude model and the generalized non-local optical response model is described in detail. Numerical results computed for a single non-spherical particle and a linear dimer are presented. Our results demonstrate that the discrete sources method can be efficiently used to model the non-local effect in a wide range of 3D scattering problems.