Other
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsh43b..04m&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #SH43B-04
Other
5759 Rings And Dust, 2129 Interplanetary Dust, 2753 Numerical Modeling, 1739 Solar/Planetary Relationships, 0654 Plasmas
Scientific paper
The effects of plasma-dust interactions resulting from the high density of protons in Coronal Mass Ejections (CMEs) are surveyed. In particular, two effects are discussed: one is the rotational bursting of F coronal dust and the other is the increased ion-drag on the orbiting dust. Rotational bursting of the dust can occur from radiation pressure on the irregularly shaped dust particles and from protons in CMEs. Numerical simulations were used to study the rotational bursting of circumsolar dust in both circular and eccentric orbits. Model calculations were used to assess the increased ion-drag due to protons from CMEs. Thus the efficiency and implications of both mechanisms are assessed. Increased ion-drag from protons in CMEs was shown to be capable of forming density waves of F-coronal dust that can give rise to transient and certainly not permanent dust rings around the Sun.
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