Casimir Friction between Dense Polarizable Media
AbstractThe present paper—a continuation of our recent series of papers on Casimir friction for a pair of particles at low relative particle velocity—extends the analysis, so as to include dense media. The situation becomes, in this case, more complex, due to induced dipolar correlations, both within planes and between planes. We show that the structure of the problem can be simplified by regarding the two half-planes as a generalized version of a pair of particles. It turns out that macroscopic parameters, such as permittivity, suffice to describe the friction, also in the finite density case. The expression for the friction force per unit surface area becomes mathematically well-defined and finite at finite temperature. We give numerical estimates and compare them with those obtained earlier by Pendry (1997) and by Volokitin and Persson (2007). We also show in an appendix how the statistical methods that we are using correspond to the field theoretical methods more commonly in use. View Full-Text
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Høye, J.S.; Brevik, I. Casimir Friction between Dense Polarizable Media. Entropy 2013, 15, 3045-3064.
Høye JS, Brevik I. Casimir Friction between Dense Polarizable Media. Entropy. 2013; 15(8):3045-3064.Chicago/Turabian Style
Høye, Johan S.; Brevik, Iver. 2013. "Casimir Friction between Dense Polarizable Media." Entropy 15, no. 8: 3045-3064.