Chiral metamaterials reduce the attractive Casimir force
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Abstract
In our previous work [R. Zhao, J. Zhou, Th. Koschny, E. N. Economou, and C. M. Soukoulis, Phys. Rev. Lett. 103, 103602 (2009)], we demonstrated theoretically that one can obtain repulsive Casimir forces and stable nanolevitations by using chiral metamaterials if the chirality is strong enough. In our recent work [R. Zhao, Th. Koschny, E.N. Economou, and C.M. Soukoulis, Phys. Rev. B 81, 235126 (2010)], we checked some chiral metamaterial designs and found that the artificial chiral metamaterials constructed by passive materials is very difficult to reach the critical chirality to realize repulsive Casimir force. Therefore, in this paper, we give a four-folded rotated Ω-particle chiral metamaterial as an example, use the effective medium approximation to retrieval the constitutive parameters, and take the same procedure as we did before to see how much the chiral metamaterial can reduce the attractive force. It shows that this un-optimized chiral metamaterial can reduce the Casimir attraction by 70%.
Salvato in:
| Autori: | ; ; ; |
|---|---|
| Pubblicato in: | Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE, vol. 7754, pp. 77540Z |
| Data di pubblicazione: | 19/08/2010 |
| Editore: | SPIE |
| Tipo di documento: | Contributo a convegno |
| Lingua: | inglese |
| DOI: | 10.1117/12.862555 |
| ISSN: | 0277-786X, 1996-756X |
| Accesso aperto: | Nessuna copia ad accesso aperto nota: per le risorse in abbonamento usare Verifica disponibilità. |
| Citazioni ricevute: | 1 |
| Soggetti: |
Quantum Electrodynamics and Casimir Effect
(Physical Sciences > Physics and Astronomy > Atomic and Molecular Physics, and Optics)
Metamaterials and Metasurfaces Applications
(Physical Sciences > Materials Science > Electronic, Optical and Magnetic Materials)
Quantum and Classical Electrodynamics
(Physical Sciences > Physics and Astronomy > Atomic and Molecular Physics, and Optics)
|
| Identificativi: | OpenAlex W2091729530 |
Dati dell'indice centrale: OpenAlex (licenza CC0).
Record completo dell'indice centrale (JSON) da api.openalex.org/works/W2091729530
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