Exo--plasmaspheric refilling due to ponderomotive forces induced by geomagnetic pulsationsстатья
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:The effect of exo‐plasmaspheric refilling due to ponderomotive forces induced by geomagnetic pulsations is considered. It is shown that two maxima of high‐density cold plasma can appear on field lines near the day side magnetospheric boundary, located symmetrically with respect to the equator. When moving away from the noon meridional plane the plasma density distribution along the field line undergoes a smooth transition from two off‐equatorial maxima to one maximum at the equator. We calculate the plasma condensation due to the ponderomotive forces in this region. On the other hand, the satellite data have shown that exoplasmaspheric Pc1 pulsations have a maximum in the noon‐dusk sector. These facts bring us to a conclusion that the formation of high‐density cold plasma outside plasmasphere in the magnetospheric trough in the noon‐dusk sector may be accelerated by ponderomotive effects of Pc1 pulsations.