27 Jan 2005
27 Jan 2005
Quasiadiabatic description of nonlinear particle dynamics in typical magnetotail configurations
D. L. Vainchtein1,2, J. Büchner3, A. I. Neishtadt1, and L. M. Zelenyi1
D. L. Vainchtein et al.
D. L. Vainchtein1,2, J. Büchner3, A. I. Neishtadt1, and L. M. Zelenyi1
- 1Space Research Institute, ul.Profsouznaya, 84/32, Moscow, Russia, GSP-7, 117997
- 2Department of Mechanical & Environmental Engineering, University of California, Santa Barbara, CA 93106, USA
- 3Max Planck Institut für Aeronomie, Max-Planck-Str. 2, D-37191 Katlenburg-Lindau, Germany
- 1Space Research Institute, ul.Profsouznaya, 84/32, Moscow, Russia, GSP-7, 117997
- 2Department of Mechanical & Environmental Engineering, University of California, Santa Barbara, CA 93106, USA
- 3Max Planck Institut für Aeronomie, Max-Planck-Str. 2, D-37191 Katlenburg-Lindau, Germany
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In the present paper we discuss the motion of charged particles in three different regions of the Earth magnetotail: in the region with magnetic field reversal and in the vicinities of neutral line of X- and O-types. The presence of small parameters (ratio of characteristic length scales in and perpendicular to the equatorial plane and the smallness of the electric field) allows us to introduce a hierarchy of motions and use methods of perturbation theory. We propose a parameter that plays the role of a measure of mixing in the system.
