Nonlocal Friction Forces in the Particle-Plate and Plate-Plate Configurations: Nonretarded Approximation
arXiv:2001.11867 · doi:10.1016/j.susc.2020.121681
Abstract
In the nonrelativistic approximation of fluctuation electrodynamics, using the specular reflection model and the nonlocal dielectric permittivity of a metal, we obtained simple analytical expressions for the friction forces in the particle-plate and plate-plate systems upon relative motion of the bodies with constant velocity. It is shown that at separations of about 1÷10 nm, for an Au nanoparticle (or a gold plate) moving near another gold plate at rest, the dissipative forces are 2 to 4 orders of magnitude higher than in the case when the local Drude dielectric permittivity is used.
arXiv comment11 pages, 5 figures
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