Electron dynamics in a parabolic magnetic field in the presence of an electrostatic wave

被引:4
作者
Vainchtein, D. L. [1 ,2 ]
Vasiliev, A. A. [1 ]
Neishtadt, A. I. [1 ,3 ]
机构
[1] Russian Acad Sci, Inst Space Res, Moscow 117810, Russia
[2] Temple Univ, Philadelphia, PA 19122 USA
[3] Univ Loughborough, Loughborough, Leics, England
基金
俄罗斯基础研究基金会; 美国国家科学基金会;
关键词
QUASI-ADIABATIC DESCRIPTION; CHARGED-PARTICLES; MOTION; MAGNETOTAIL; MAGNETOSPHERE; ACCELERATION; SCATTERING; GEOTAIL;
D O I
10.1134/S1063780X09120046
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
A study is made of the problem of electron dynamics in the presence of a plane electrostatic wave in a model in which the Earth's magnetic field is parabolic. The problem is reduced to a Hamiltonian system with two degrees of freedom, which is investigated by the methods of perturbation theory. The structure of the phase space of the system is described, and the phenomena of capture into the resonance and scattering on the resonance are considered. It is shown that these phenomena lead to breaking of the second (longitudinal) adiabatic invariant and stochastization of the electron dynamics.
引用
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页码:1021 / 1031
页数:11
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