Nontouching nanoparticle diclusters bound by repulsive and attractive Casimir forces
We present a scheme for obtaining stable Casimir suspension of dielectric nontouching objects immersed in a fluid, validated here in various geometries consisting of ethanol-separated dielectric spheres and semi-infinite slabs. Stability is induced by the dispersion properties of real dielectric (mo...
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| Veröffentlicht in: | Physical review letters 2010-04, Vol.104 (16), p.160402-160402, Article 160402 |
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| container_title | Physical review letters |
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| creator | Rodriguez, Alejandro W McCauley, Alexander P Woolf, David Capasso, Federico Joannopoulos, J D Johnson, Steven G |
| description | We present a scheme for obtaining stable Casimir suspension of dielectric nontouching objects immersed in a fluid, validated here in various geometries consisting of ethanol-separated dielectric spheres and semi-infinite slabs. Stability is induced by the dispersion properties of real dielectric (monolithic) materials. A consequence of this effect is the possibility of stable configurations (clusters) of compact objects, which we illustrate via a molecular two-sphere dicluster geometry consisting of two bound spheres levitated above a gold slab. Our calculations also reveal a strong interplay between material and geometric dispersion, and this is exemplified by the qualitatively different stability behavior observed in planar versus spherical geometries. |
| doi_str_mv | 10.1103/physrevlett.104.160402 |
| format | Article |
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| ispartof | Physical review letters, 2010-04, Vol.104 (16), p.160402-160402, Article 160402 |
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| source | American Physical Society Journals |
| subjects | ALCOHOLS CASIMIR EFFECT CONFIGURATION DIELECTRIC MATERIALS ELEMENTS ETHANOL GEOMETRY GOLD HYDROXY COMPOUNDS MATERIALS MATHEMATICS METALS NANOSCIENCE AND NANOTECHNOLOGY NANOSTRUCTURES ORGANIC COMPOUNDS SLABS SPHERICAL CONFIGURATION STABILITY TRANSITION ELEMENTS |
| title | Nontouching nanoparticle diclusters bound by repulsive and attractive Casimir forces |
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