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arXiv 0911.2019cond-mat.mes-hallcond-mat.mtrl-sci
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排斥Casimir力的手征超材料设计比较

Comparison of Chiral Metamaterial Designs for Repulsive Casimir Force

R. Zhao, Th. Koschny, E. N. Economou, C. M. Soukoulis

摘要:

在我们以前的工作[物理。103,103602(2009)],我们发现,如果手性足够强,则可以通过使用手性超材料来实现排斥Casimir力。在这项工作中,我们检查了四种不同的手性超材料设计(即,Twisted-Roxided,Twisted-Crosswires,Four-U-SRR和Conjugate-Swastikas),发现Four-U-SRR和Conjugate-Swastikas具有较大的手性,结构长度尺度与共振波长的比值较小,是实现Casimir排斥力的最有希望的候选者。

英文摘要:

In our previous work [Phys. Rev. Lett. 103, 103602 (2009)], we found that repulsive Casimir forces could be realized by using chiral metamaterials if the chirality is strong enough. In this work, we check four different chiral metamaterial designs (i.e., Twisted-Rosettes, Twisted-Crosswires, Four-U-SRRs, and Conjugate-Swastikas) and find that the designs of Four-U-SRRs and Conjugate-Swastikas are the most promising candidates to realize repulsive Casimir force because of their large chirality and the small ratio of structure length scale to resonance wavelength.

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