有源隨機球粒媒質(zhì)的非彈性多散射
INELASTIC MULTIPLE SCATTERING BY ACTIVE RANDOMLY DISTRBUTED SPHERICAL SCATTERERS
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摘要: 依據(jù)有源分子的等效偶極子模型,本文首先用并矢格林函數(shù)方法給出了含有有源分子的單球粒的非彈性散射分析。然后,以建立的隨機球狀顆粒媒質(zhì)的彈性多散射理論為基礎,導出了含有有源分子的隨機球粒媒質(zhì)的非彈性多散射理論,給出了非彈性多散射場在整個空間的矢量球波函數(shù)展開,展開系數(shù)可由一組耦合線性方程解得。Abstract: According to the model of equivalent dipoles for active molecules, the analysis of inelastic EM scattering by active molecules embedded in a sphere is given by the method of dyadic Green s functions at first, and rhen, based on the theory of elastic muptiple scattering by randomly distributed spherical scatterers, a new theory for analysis of inelastic multiple scattering by active molecules embedded in randomly distributed spherical scatterers is developed. This theory gives the expansions of the multiple scattering fields in all space region in terms of vector spherical wave functions in which the expansion coefficients can be solved from a set of coupled linear equations.
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