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Open Quantum Systems Decoherence Quantum Chemistry

The Casimir force on a surface with shallow nanoscale corrugations: Geometry and finite conductivity effects

arXiv
Authors: Y. Bao, R. Guérout, J. Lussange, A. Lambrecht, R. A. Cirelli, F. Klemens, W. M. Mansfield, C. S. Pai, H. B. Chan

Year

2010

Paper ID

11227

Status

Preprint

Abstract Read

~2 min

Abstract Words

92

Citations

N/A

Abstract

We measure the Casimir force between a gold sphere and a silicon plate with nanoscale, rectangular corrugations with depth comparable to the separation between the surfaces. In the proximity force approximation (PFA), both the top and bottom surfaces of the corrugations contribute to the force, leading to a distance dependence that is distinct from a flat surface. The measured Casimir force is found to deviate from the PFA by up to 15%, in good agreement with calculations based on scattering theory that includes both geometry effects and the optical properties of the material.

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  • We measure the Casimir force between a gold sphere and a silicon plate with nanoscale, rectangular corrugations with depth comparable to the separation between the surfaces.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1009.3487 [2] arXiv https://arxiv.org/abs/1009.3487 [3] Publisher https://arxiv.org/abs/1009.3487

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