Dissipative force on a sphere moving in vacuum
- 1 March 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 47 (3) , 1639-1646
- https://doi.org/10.1103/physreva.47.1639
Abstract
We derive the spectrum of fluctuations of the vacuum radiation pressure on a spherical perfectly reflecting mirror. From the fluctuation-dissipation theorem, we obtain the dissipative force exerted upon the mirror when it moves in vacuum. As in the classical problem of scattering by a plane wave, the spectrum presents a resonant behavior at wavelengths of the order of the sphere’s radius. The high-frequency limit agrees with Barton’s general result for a large body of arbitrary shape.Keywords
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