| Issue |
EPL
Volume 99, Number 6, September 2012
|
|
|---|---|---|
| Article Number | 64002 | |
| Number of page(s) | 4 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/99/64002 | |
| Published online | 08 October 2012 | |
Fluctuation electromagnetic interaction between a small rotating particle and a surface
Nanoscale Physics Group, Kabardino-Balkarian State University - Chernyshevskogo 173, 360004, Nalchik, Russia
Received: 17 August 2012
Accepted: 1 September 2012
We study the fluctuation electromagnetic interaction between a small neutral rotating particle and a polarizable surface. The attraction force, friction torque and heating are produced by the particle polarization and the fluctuating near field of the surface. Closed analytical expressions are found for these quantities assuming that the particle and the surface are characterized by frequency-dependent polarizability, dielectric permittivity and different temperatures. It is shown that the stopping time of the rolling particle in the near field of the surface is much lower than the stopping time under uniform motion or rolling in vacuum space. This is of paramount importance in the development of NEMS where the corresponding interactions must be taken into account.
PACS: 42.50.Wk – Mechanical effects of light on material media, microstructures and particles / 41.60.-m – Radiation by moving charges / 78.70.-g – Interactions of particles and radiation with matter
© EPLA, 2012
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