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arXiv physics/0608247physics.opticsphysics.class-ph
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三相复合材料的长波部分共振

Partial Resonances of Three-Phase Composites at Long Wavelengths

N. A. Nicorovici, R. C. McPhedran, G. W. Milton, L. C. Botten

摘要:

我们调查的行为的三相复合材料,结构作为一个六边形阵列的涂层圆柱体,当核和壳的介电常数的总和等于零。在这种情况下,复合材料的吸收与芯材料的固体圆柱体的周期性阵列的吸收相同,并且半径等于原始涂覆圆柱体的外半径。当壳和基体的介电常数之和等于零时,复合材料具有与芯材料的固体圆柱体的周期阵列相同的吸收,并且半径超过壳半径。

英文摘要:

We investigate the behaviour of a three-phase composite, structured as a hexagonal array of coated cylinders, when the sum of the dielectric constants of the core and shell equals zero. In such cases, the absorption of the composite is the same as the absorption of a periodic array of solid cylinders of core material and radius equal to the outer radius of the original coated cylinder. When the sum of the dielectric constants of the shell and matrix equals zero, the composite has the same absorption as a periodic array of solid cylinders of core material, and radius exceeding the shell radius.

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