The scattering matrix for randomly oriented particles

The scattering matrix for randomly oriented particles
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随机定向粒子的散射矩阵

DOI：
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发表时间：
1986
期刊：
影响因子：
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通讯作者：
G. Salzman
G. Salzman
中科院分区：
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文献类型：
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作者：
M. Singham;S. B. Singham;G. Salzman

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本文提出了一种有效的数值计算方法，用于计算由耦合偶极子近似描述的随机分布粒子的散射特性。这些属性的精确解析平均值也来自。随机取向粒子集合的散射矩阵的所有元素可以通过任一种方法获得。结果适用于实际粒子散射矩阵的模型计算。分析平均值还允许定性解释偶极相互作用的矩阵元素的依赖性。
An efficient numerical method is derived for evaluation of the scattering properties of randomly distributed particles described by the coupled dipole approximation. An exact analytic average for these properties is also derived. All elements of the scattering matrix for a collection of randomly oriented particles can be obtained by either method. The results are applicable to model calculations of the scattering matrix for realistic particles. The analytic average also allows qualitative interpretation of the dependence of the matrix elements on dipolar interactions.