期刊
PHYSICAL REVIEW LETTERS
卷 103, 期 10, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.103602
关键词
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资金
- Department of Energy (Basic Energy Sciences) [DE-AC02-07CH11358]
- European Community FET project PHOME [213390]
- U. S. Department of Commerce NIST [70NANB7H6138]
- U. S. Air Force grants
- China Scholarship Council
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 possibly 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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