Kinetic theory of the current sheath. I. On polarization of an equilibrium current sheath |
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Authors: | VV Lyahov VM Neshchadim |
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Institution: | Institute of Ionosphere, 050020 Almaty, Kazakhstan |
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Abstract: | The basic theme of this paper is the investigation of the polarizing electric fields caused by anisotropy of thermal plasma of a current sheath. The paper provides a generalization of the equilibrium distribution function of the current sheath (Harris function) to the case of temperature anisotropy of plasma along and across the sheath. It appears that solution of the electroneutral equilibrium represents a narrow class of solutions and is true only for certain relations between the parameters of the problem. In the general case, the plasma of a stationary current sheath is polarized. The structure of the current sheath of a magnetosphere tail is investigated with regard to the effect of polarization, and profiles of the polarization electric fields are obtained. This field should be taken into account in the study of current sheath stability. |
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Keywords: | Kinetic theory Distribution function Current sheath Polarization of magneto-active plasma Magnetosphere tail Equilibrium |
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