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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/39315


    題名: EFFECTIVE CONDUCTIVITY OF NONLINEAR COMPOSITES OF SPHERICAL-PARTICLES - A PERTURBATION APPROACH
    作者: YU,KW;WANG,YC;HUI,PM;GU,GQ
    貢獻者: 物理研究所
    關鍵詞: FIELD
    日期: 1993
    上傳時間: 2010-07-08 14:11:50 (UTC+8)
    出版者: 中央大學
    摘要: The perturbation expansion method is employed to compute the effective nonlinear conductivity of a random composite material characterized by a weakly nonlinear relation between the current density J and the electric field E of the form J = sigmaE + chi Absolute value of E 2E, where sigma and chi take on different values in the inclusion and in the host. We develop perturbation expansions to obtain analytic formulas of the potential to arbitrary order in chi. As an example, we apply the method to deal with a spherical inclusion in a host, both of either linear or nonlinear J-E relations, and obtain the potential to second order in chi. For low inclusion concentrations, we derive the effective conductivity to the first, the third, and the fifth order.
    關聯: PHYSICAL REVIEW B
    顯示於類別:[物理研究所] 期刊論文

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