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Why and when the Minkowski's stress tensor can be used in the problem of Casimir force acting on bodies embedded in media

L. P. Pitaevskii

cond-mat.stat-mecharXiv:cond-mat/0505754

Abstract

It is shown that the criticism by Raabe and Welsch of the Dzyaloshinskii-Lifshitz-Pitaevskii theory of the van der Waals-Casimir forces inside a medium is based on misunderstandings. It is explained why and at which conditions one can use the ''Minkowski-like '' stress tensor for calculations of the forces. The reason, why approach of Raabe and Welsch is incorrect, is discussed.

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