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97871 |
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|a Bimonte, Giuseppe
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|a Massachusetts Institute of Technology. Department of Civil and Environmental Engineering
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|a Massachusetts Institute of Technology. Department of Physics
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|a Emig, Thorsten
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|a Kardar, Mehran
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|a Emig, Thorsten
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|a Kardar, Mehran
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|a Casimir-Polder force between anisotropic nanoparticles and gently curved surfaces
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|b American Physical Society,
|c 2015-07-21T13:03:01Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/97871
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|a The Casimir-Polder interaction between an anisotropic particle and a surface is orientation dependent. We study novel orientational effects that arise due to curvature of the surface for distances much smaller than the radii of curvature by employing a derivative expansion. For nanoparticles we derive a general short distance expansion of the interaction potential in terms of their dipolar polarizabilities. Explicit results are presented for nano-spheroids made of SiO[subscript 2] and gold, both at zero and at finite temperatures. The preferred orientation of the particle is strongly dependent on curvature, temperature, as well as material properties.
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|a National Science Foundation (U.S.) (Grant DMR-12-06323)
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|a Article
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|t Physical Review D
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