The formation of polar and equatorial condensations of plasma in the proximity of a changing magnetic dipole
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The motion of a plasma in a time-dependent dipole magnetic field is considered. It is shown that the increase of the magnetic moment of the dipole (for example, as the result of the explosion of a magnetic star) leads to a concentration of a plasma in the polar regions. Likewise, a decrease of the magnetic moment (contraction of a star) would lead to the concentration of surrounding plasma in the equatorial plane. This process may be of importance in astrophysics and, particularly, in the dynamics of nebulae and non-stationary star envelopes.
KeywordsMagnetic Field Polar Region Magnetic Dipole Equatorial Plane Magnetic Star
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