相关长度有利于Voigt波的传播
Correlation length facilitates Voigt wave propagation
摘要:
在某些情况下,Voigt波可以在双轴复合介质中传播,即使组分材料相单独地不支持Voigt波传播。这一现象被认为是在强介电常数波动理论的背景下。为了探索Voigt波在任何方向上的传播,开发了该理论的广义实现。它示出的相关长度-一个参数表征的组分材料相的分布统计-起着至关重要的作用,在促进Voigt波在均匀化的复合介质中的传播。
英文摘要:
Under certain circumstances, Voigt waves can propagate in a biaxial composite medium even though the component material phases individually do not support Voigt wave propagation. This phenomenon is considered within the context of the strong--permittivity--fluctuation theory. A generalized implementation of the theory is developed in order to explore the propagation of Voigt waves in any direction. It is shown that the correlation length--a parameter characterizing the distributional statistics of the component material phases--plays a crucial role in facilitating the propagation of Voigt waves in the homogenized composite medium.
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