Dielectric response of spherical particles of graded materials

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We have studied the effective response of composites of spherical particles with a dielectric profile which varies along the radius of the particles. We developed a differential effective dipole theory to compute the dipole moment of individual spherical particle and hence the effective dielectric response of a dilute suspension. The theory has been applied to two model dielectric profiles. Moreover, we compare the approximate results with the exact results of the power-law profile and the agreement is excellent.
See cond-mat/0507325: The ad hoc method of the differential effective dipole approximation (DEDA) derived in the previous versions has been shown to be exact from a first-principles approach

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Soft Condensed Matter, Materials Science, Biological Physics, Optics

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http://salesiana.dossiersoluciones.com/handle/123456789/20364

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0211532
 http://arxiv.org/abs/cond-mat/0211532

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arXiv