Abstract
Based on the results of numerical experiments we show the possibility in principle of the long-term (more than 1 month) existence of nanoparticles (NPs) of carbon in the Earth’s plasmasphere for three types of NP orbital motion: (a) motion in the mode of the magnetic gravitational capture; (b) motion between mirror points in the northern and southern hemispheres; (c) motion in the vicinity of the equatorial plane. It has been found that the basic physical mechanism leading to the long-term confinement of NPs in the Earth’s plasmasphere is the adiabatic invariance of the equivalent magnetic moment of NPs taking place provided the weak local inhomogeneity of the magnetic field. We show that nanoparticles moving in the Earth’s plasmasphere in the mode of magnetic gravitational capture can have extremely long times of orbital existence, on the order of a year or more.
Published Version
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