Nonequilibrium Casimir-Lifshitz force and anomalous radiation heating of a small particle

Abstract

This paper presents the results of calculating Casimir-Lifshitz friction force and heating rate of a small metal particle moving above a metal surface (thick plate) in the case of their different local temperatures. The case of normal nonmagnetic metals (Au) is considered. There is a strong interplay of temperatures, particle velocity and separation distance resulting in an anomalous direction of the heat flux between the bodies and a peak temperature dependence of the friction force at sufficiently low temperatures. In particular, a hot moving particle can additionally receive heat from a cold surface. The conditions for experimental measurement of these effects are discussed.

13 pages, 5 figures

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