Volume 62, Number 4, May 2003
|Page(s)||484 - 490|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 May 2003|
The Casimir force between rough metallic plates
Brossel (Laboratoire du CNRS, de l'École Normale
Supérieure et de l'Université Pierre et Marie Curie.) ,
case 74, Campus Jussieu - 75252 Paris, France
2 Instituto de Física, UFRJ, caixa postal 68528 - 21945-970 Rio de Janeiro, Brazil
Corresponding author: email@example.com
Accepted: 20 March 2003
The Casimir force between two metallic plates is affected by their roughness state. This effect is usually calculated through the so-called “proximity force approximation” which is only valid for small enough wave vectors in the spectrum of the roughness profile. We introduce here a more general description with a wave-vector–dependent roughness sensitivity of the Casimir effect. Since the proximity force approximation underestimates the effect, a measurement of the roughness spectrum is needed to achieve the desired level of accuracy in the theory-experiment comparison.
PACS: 42.50.-p – Quantum optics / 03.70.+k – Theory of quantized fields / 68.35.Ct – Interface structure and roughness
© EDP Sciences, 2003
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