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Test of the proximity force approximation

Sernelius, Bo E. (author)
Linköpings universitet,Teoretisk Fysik,Tekniska högskolan
Román-Velázquez, Carlos Enrique (author)
Linköpings universitet,Tekniska högskolan,Teoretisk Fysik
 (creator_code:org_t)
2009-05-01
2009
English.
In: Journal of Physics: Conference Series. - : IOP Publishing. - 1742-6588 .- 1742-6596. ; 161, s. 012016-
  • Journal article (peer-reviewed)
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  • We study the geometrical corrections to the simple Proximity Force Approximation (PFA) for the non-retarded Casimir force. We extend traditional PFA in two ways: We take the whole surfaces of the objects facing each other into account, not just the curvatures at the point of closest distance; we take the thickness of the coating of coated objects into account in the formalism. We present analytical and numerical results for a sphere above a substrate, for a spherical shell above a substrate, and for two interacting spheres. We compare the results to those from a multi-polar expansion method, a method based on a more solid foundation.

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NATURAL SCIENCES
NATURVETENSKAP

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