Structure of the Disturbed Magnetosphere |
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Authors: | Lazutin L L |
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Institution: | (1) Institute of Nuclear Physics, Moscow State University, Vorob'evy gory, Moscow, 119899, Russia |
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Abstract: | The quasitrapping region (QTR) at the night side of a disturbed magnetosphere in the majority of models is either absent completely or merges with the plasma sheet of the magnetosphere tail. At the same time these two regions are different both in the topology of the magnetic field and in the character of motion of charged particles. Moreover, it is the region of quasitrapping that is conjugate to the zone of auroral active forms; i.e., it can be called the auroral magnetosphere. Models of the magnetosphere in which the tail structures of the magnetic field are directly adjacent to the boundary of stable trapping (in particular, the isotropic boundary model) are based on erroneous assumptions. Our understanding of the processes of magnetosphere substorms and magnetic storms depends on a correct understanding of the magnetosphere structure. |
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