Casimir Forces between Nanoparticles and Substrates

Details Casimir Forces between Nanoparticles and Substrates Casimir Forces between Nanoparticles and Substrates

2002-11-26

arxiv.org/abs/quant-ph/0211176v2

MRS Proceedings Volume 738, pag. G7.35.1 -- G7.35.6 (2003)

Physics

Quantum Physics

5 pages and 4 figures. Submitted to MRS Fall Meeting 2002, Symposium Proceedings (SymposiumG)

Scientific paper

We study the Casimir force between a nanoparticle and a substrate. We consider the interaction of metal nanoparticles with different substrates within the dipolar approximation. We study the force as a function of the distance for gold and potassium spheres, which are over a substrate of titanium dioxide, sapphire and a perfect conductor. We show that Casimir force is important in systems at the nanometer scale. We study the force as a function of the material properties, radii of the spheres, and the distance between the sphere and the substrate.

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