Year: 2012
Type: article
Abstract: 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.
Source: Europhysics Letters (EPL)
Authors: George Dedkov, Arthur Kyasov
Institution: Kabardino-Balkarian State University
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W1977991815