Transition scattering of waves on charged dust particles in a plasma

Details Transition scattering of waves on charged dust particles in a plasma Transition scattering of waves on charged dust particles in a plasma

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jplph..42..429t&link_type=abstract

Journal of Plasma Physics (ISSN 0022-3778), vol. 42, Dec. 1989, p. 429-443. Research sponsored by CEC.

Physics

Plasma Physics

46

Cosmic Dust, Space Plasmas, Thomson Scattering, Wave Scattering, Earth Ionosphere, Electric Charge, Planetary Rings, Radiation Pressure, Supernova Remnants

Scientific paper

The transition scattering of waves on charged dust particles in a plasma is considered. The scattered power is first derived from perturbation theory, for the case of weakly charged grains, where linear screening by the plasma particles can be assumed. In the case of a highly charged grain, the nonlinear screening by the plasma particles is first detected in a model where the grain can be treated as a small spherical probe at floating potential; the nonlinear transition scattering due to the electron shielding cloud is then solved. One of the results of this calculation is that the radiation pressure on the grains can be greatly enhanced with respect to the case of usual Thomson scattering on free particles.

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