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arXiv quant-ph/0303172quant-ph
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球与基底间Casimir力的谱表示

Spectral representation of the Casimir Force Between a Sphere and a Substrate

C. E. Román-Velázquez, Cecilia Noguez, C. Villarreal, R. esquivel-Sirvent

摘要:

我们计算的Casimir力在非延迟限制之间的球形纳米粒子和基板,我们发现,高多极的贡献是非常重要的,当球是非常接近基板。我们表明,高度不均匀的电磁场诱导的衬底的存在下,可以提高Casimir力的数量级,与经典的偶极近似。

英文摘要:

We calculate the Casimir force in the non-retarded limit between a spherical nanoparticle and a substrate, and we found that high-multipolar contributions are very important when the sphere is very close to the substrate. We show that the highly inhomegenous electromagnetic field induced by the presence of the substrate, can enhance the Casimir force by orders of magnitude, compared with the classical dipolar approximation.

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