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arxiv: 0710.0254 · v1 · submitted 2007-10-01 · 🪐 quant-ph · cond-mat.stat-mech· physics.optics

Generalized plasma-like permittivity and thermal Casimir force between real metals

classification 🪐 quant-ph cond-mat.stat-mechphysics.optics
keywords generalizedpermittivityplasma-likelifshitzcasimircombinedcompatibleconnected
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The physical reasons why the Drude dielectric function is not compatible with the Lifshitz formula, as opposed to the generalized plasma-like permittivity, are presented. Essentially, the problem is connected with the finite size of metal plates. It is shown that the Lifshitz theory combined with the generalized plasma-like permittivity is thermodynamically consistent.

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