Resumo

MOCHAN, W. L.; VILLARREAL, C.  e  ESQUIVEL-SIRVENT, R.. On Casimir forces for media with arbitrary dielectric properties. Rev. mex. fis. [online]. 2002, vol.48, n.4, pp.339-342. ISSN 0035-001X.

We derive an expression for the Casimir force between slabs with arbitrary dielectric properties characterized by their reflection coefficients. The formalism presented here is applicable to media with a local or a non-local dielectric response, an infinite or a finite width, inhomoge-neous dissipative, etc. Óur results reduce to the Lifshitz formula for the force between semi-infinite dielectric slabs by replacing the reflection coefficients by the Fresnel amplitudes.

Palavras-chave : Casimir forces; dielectrics; Lifshitz formula.

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