偶极粒子的负散射不对称参数:输运平均自由程和辐射压力的异常减小
Negative scattering asymmetry parameter for dipolar particles: Unusual reduction of the transport mean free path and radiation pressure
摘要:
建立了平面波作用于磁介电小粒子的电磁偶极相互作用力与输运截面和散射不对称性参数g之间的关系。通过这种方式,我们预测负g,最大限度地减少运输平均自由程的散射平均自由程的稀释悬浮液的两个完美的反射球,以及那些满足所谓的Kerker条件,如高介电常数的值以下。
英文摘要:
We establish a relationship between the electric magnetic dipole interaction force from a plane wave on a small magnetodielectric particle, the transport cross-section and the scattering asymmetry parameter, g. In this way, we predict negative g that minimize the transport mean free-path below values of the scattering mean free path of a dilute suspension of both perfectly reflecting spheres as well as of those that satisfy the so-called Kerker conditions, like high permittivity dielectric ones.
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