DIFFUSION ASYMPTOTICS OF THE BETHE-SALPETER-EQUATION FOR ELECTROMAGNETIC-WAVES IN DISCRETE RANDOM-MEDIA

被引：24

作者：

BARABANENKOV, YN ^{[1
]}

OZRIN, VD ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,INST NUCL SAFETY,MOSCOW 113191,RUSSIA

来源：

PHYSICS LETTERS A | 1995年 / 206卷 / 1-2期

关键词：

D O I：

10.1016/0375-9601(95)00576-O

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present an exact expression for the diffusion constant of vector electromagnetic waves in a random medium of dielectric scatterers in the form of the Green-Kubo relation. The derivation is based on a proper version of the Ward-Takahashi identity for classical waves. The relation between the density of states of the electromagnetic field and the absorption length in the model of weakly absorbing scatterers is discussed.

引用

页码：116 / 122

页数：7

共 18 条

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