手征超材料中的排斥Casimir力
Repulsive Casimir Force in Chiral Metamaterials
摘要:
我们从理论上证明了利用手征超材料可以获得排斥的Casimir力和稳定的纳米激发。通过扩展Lifshitz理论来处理手性超材料,我们发现,存在一个排斥力和最小的相互作用能强的手性,根据现实的频率依赖性和正确的限制值(零和无限频率)的介电常数,磁导率和手性系数。
英文摘要:
We demonstrate theoretically that one can obtain repulsive Casimir forces and stable nanolevitations by using chiral metamaterials. By extending the Lifshitz theory to treat chiral metamaterials, we find that a repulsive force and a minimum of the interaction energy exist for strong chirality, under realistic frequency dependencies and correct limiting values (for zero and infinite frequencies) of the permittivity, permeability, and chiral coefficients.
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