Numerical Analysis of the Effective Dielectric Constant of the Medium where Dielectric Spheres are Randomly Distributed (Special Issue on the 1992 Symposium on Electromagnetic Theory)

概要

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The effective dielectric constant ε_<eff> of discrete random medium composed of many dielectric spheres has been analyzed by EFA (Effective Field Approximation), QCA (Quasicrystalline Approximation) and QCA-CP (Quasicrystalline Approximation and Coherent Potential) in the case where the optical path length is very large in the medium. These methods lead to a reasonable K for non-large dielectric constants of spheres, while their methods yield an unphysical dependence of ε_<eff> on large dielectric constants of spheres: that is, the ε_<eff>does not become large for increasing the dielectric constant. In this paper, we remove the unphysical dependence and present new results for ε_<eff> of our method, comparing with the results for ε_<eff> of EFA, QCA and QCA-CP.
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1993-10-25