| Issue |
Europhys. Lett.
Volume 76, Number 5, December 2006
|
|
|---|---|---|
| Page(s) | 822 - 828 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2006-10340-1 | |
| Published online | 03 November 2006 | |
Vacuum-induced torque between corrugated metallic plates
1
Instituto de Física, UFRJ - Caixa Postal 68528, 21941-972 Rio de Janeiro RJ, Brazil
2
Laboratoire Kastler Brossel, CNRS, ENS, UPMC case 74, Campus Jussieu, 75252 Paris, France
Corresponding authors: pamn@if.ufrj.br reynaud@spectro.jussieu.fr
Received:
15
August
2006
Accepted:
4
October
2006
We study the torque arising between two corrugated metallic plates
due to the interaction with electromagnetic vacuum.
This Casimir torque can be measured with torsion pendulum techniques for separation distances as large as 1
. It allows one to probe the non-trivial geometry dependence of the Casimir energy in a configuration which can be evaluated theoretically with accuracy. In the optimal experimental configuration, the commonly used proximity force approximation turns out to overestimate the torque by a factor 2 or larger.
PACS: 42.50.-p – Quantum optics / 03.70.+k – Theory of quantized fields / 68.35.Ct – Interface structure and roughness
© EDP Sciences, 2006
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