部分相干涨落源与磁介电粒子间的作用力
Forces between a partially coherent fluctuating source and a magnetodielectric particle
摘要：
我们解决了由平面波动源发射的电磁场对介电粒子施加的力，这些介电粒子由于其最近表现出的磁介电行为而引起了人们的极大兴趣。在这种情况下，我们分析作为一个特殊的情况下，卡西米尔和范德华力的修改。我们研究了源的相干长度的影响，以及从辐射场的力之间的相互作用，并从电和磁偶极子上的粒子诱导。这允许控制这些相互作用以及来自两种诱导偶极子的场之间的权重和干扰效应，特别是当由于Kerker最小向前或零向后条件而发生其微分散射截面的大变化时;从而为纳米颗粒组装和操纵开辟了新的途径。还研究了震源表面波的影响。
英文摘要：
We address the forces exerted by the electromagnetic field emitted by a planar uctuating source on dielectric particles that have arose much interest because of their recently shown magnetodielectric behavior. In this context, we analyze as a particular case the modification of the Casimir and Van der Waals forces. We study the effect of the source coherence length as well as the interplay between the force from the radiated field and that from the electric and magnetic dipoles induced on the particle. This allows a control of these interactions as well as of the weight and interference effects between the fields from both kinds of induced dipoles, in particular when large changes in their differential scattering cross section occur due to Kerker minimum forward or zero backward conditions; thus opening new paths to nanoparticle ensembling and manipulation. The influence of surface waves of the source is also studied.
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