介电球的局部场与平均场理论

2008 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2008-10-01 DOI:10.1109/CEIDP.2008.4772771

Markus Kuehn, Herbert Kliem

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摘要

结果表明，在纳米尺度的介质球中，局部电场并不像宏观平均场理论所期望的那样均匀。本文提出了一种能够对这些局部场进行微观计算的数值方法。结果表明，对于大直径，微观计算趋向于宏观理论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Local Field versus Meanfield Theory for Dielectric Spheres

It is shown that the local electric field in a dielectric sphere of nanometric dimensions is not uniform as expected from macroscopic meanfield theory. A numerical method is presented which allows the microscopic calculation of these local fields. It is shown that for large diameters the microscopic calculations converge towards the macroscopic theory.

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2008 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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