Casimir Effect and Interaction between Surface Plasmons

Abstract : In this thesis we discuss the influence of surface plasmons on the Casimir effect between two plane parallel metallic mirrors at arbitrary distances. Using the plasma model to describe the optical response of the metal, we express the Casimir energy as a sum of contributions associated with evanescent surface plasmon modes and propagative cavity modes. In contrast to expectations, the plasmonic mode contribution is essential at all distances in order to ensure the correct result for the Casimir energy. One of the two plasmonic modes gives rise to a repulsive contribution, balancing the attractive contributions from propagating cavity modes, while both contributions taken separately are much larger than the actual value of the Casimir energy. This also suggests possibilities to tailor the sign of the Casimir force via surface plasmons.
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Contributor : Francesco Intravaia <>
Submitted on : Thursday, July 14, 2005 - 7:45:43 PM
Last modification on : Friday, March 22, 2019 - 1:30:47 AM
Long-term archiving on : Friday, April 2, 2010 - 9:47:56 PM

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  • HAL Id : tel-00009755, version 1

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Francesco Intravaia. Casimir Effect and Interaction between Surface Plasmons. Physics [physics]. Université Pierre et Marie Curie - Paris VI, 2005. English. ⟨tel-00009755⟩

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