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Lorentz Scattering of Interplanetary Dust Grains

Published online by Cambridge University Press:  12 April 2016

P. Barge ,
R. Pellat  and
J. Millet
P. Barge
Affiliation:
Observatoire de Marseille, 13248 Marseille Cedex 4, France
R. Pellat
Affiliation:
Laboratoire d’Astronomie Spatiale, F-13012 Marseille, France
J. Millet
Affiliation:
C.N.E.S. 129 rue de l’Universite, 75007 Paris, France

Abstract

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The scattering of dust grains orbits due to recurrent sectors of the interplanetary magnetic field is reinvestigated with a better formalism. Our method reveals the resonant character of the diffusion and is well suited for the problem. The spreads in the orbital parameters are found less important than believed untill now and to vary rapidly with eccentricity and semi-major axis. Only the small dielectric grains with size less than 0.5 μm may be scattered by the Lorentz force fluctuations; the main diffusion occurs in inclination and near the sun (20-60 R⊙).

Type
VII. Dynamics of Interplanetary Dust
Information
International Astronomical Union Colloquium , Volume 85: Properties and Interactions of Interplanetary Dust , 1985 , pp. 417 - 420
Copyright
Copyright © Reidel 1985

References

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