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Comment on "Thermal Effects on the Casimir Force in the 0.1-5 micrometer Range"

Steve K. Lamoreaux

quant-pharXiv:quant-ph/0007029

Abstract

In a recent paper (M. Bostrom and Bo E. Sernelius, Phys. Rev. Lett. 84, 4757 (2000)) the combined effect of finite conductivity and finite temperature on the Casimir force is analyzed, and significant deviations from other theoretical results and a recent experiment are obtained. In this Comment, I show that the extrapolation to zero frequency is incorrect because the authors have neglected that the wavenumber and frequency of the electromagentic mode must simultaneously appraoch zero

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