Microstructure and optical properties of random media

Ping Sheng

Physica A: Statistical Mechanics and its Applications, 1989, vol. 157, issue 1, 238-243

Abstract: I review some of the recent results obtained on the effect of microstructure on the local field distribution and the dielectric constant of a random medium. By using a generalized Onsager approach for the calculation of the local fields, the standard deviation σ of their distribution is found to be directly related to the degree of anisotropy in the local environment of a polarizable particle, and the correction S to the Clausius-Mossotti relation is given by S = σ2. The incorporation of the microstructure in the effective medium and first-principle approaches to the calculation of random media properties is also discussed.

Date: 1989
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:157:y:1989:i:1:p:238-243

DOI: 10.1016/0378-4371(89)90309-9

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