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Quantum vacuum pressure on a conducting slab

Marco Scandurra

hep-tharXiv:hep-th/0307150

Abstract

The casimir pressure on a non ideal conducting slab is calculated. Using a simple model for the conductivity according to which the slab is perfectly conducting at frequencies below plasma frequency omegap and perfectly transparent above such frequency, it is found that the vacuum pressure on each surface of the slab is (h omegap4)/(24 pi2 c3) which is finite without removal of any divergence

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