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Quantum Effects on Optical Properties of a Pair of Plasmonic Particles Separated by a Subnanometer Gap

机译:量子效应由亚域间隙分离的一对等离子体颗粒的光学性质

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The discrete source method is used to study the influence exerted by nonlocal screening on the optical properties of a linear cluster of nonspherical plasmonic nanoparticles separated by a subnanometer gap. It is shown that deformations of the particles and a reduction in the interparticle gap size lead to an enhanced nonlocal screening effect. It is found that an increase in both scattered and near field intensities is blocked by the nonlocal effect, and deformations of the particles can be used as an alternative to field intensity enhancement.
机译:离散源方法用于研究非局部筛选对由亚腔间隙间隔分开的非球形等离子体纳米粒子的线性簇的光学性质施加的影响。 结果表明,颗粒的变形和颗粒间隙尺寸的降低导致增强的非局部筛选效果。 结果发现,散射和近场强度的增加被非局部效应阻断,并且颗粒的变形可以用作场强增强的替代方案。

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