Aspects of Nonlinear Wave-Particle Interactions

被引：61

作者：

Albert, Jay M. ^{[1
]}

Tao, Xin ^{[2
]}

Bortnik, Jacob ^{[2
]}

机构：

[1] Air Force Res Lab, Space Vehicles Directorate, Kirtland AFB, NM USA

[2] Univ Calif Los Angeles, Dept Atmospher Ocean & Sci, Los Angeles, CA USA

来源：

DYNAMICS OF THE EARTH'S RADIATION BELTS AND INNER MAGNETOSPHERE | 2012年 / 199卷

基金：

美国国家科学基金会;

关键词：

COHERENT-VLF WAVES; INHOMOGENEOUS MAGNETIC-FIELD; WHISTLER-MODE WAVES; CYCLOTRON-RESONANCE; GYRORESONANT INTERACTIONS; ELECTRON-PRECIPITATION; ENERGETIC ELECTRONS; VARYING FREQUENCY; PITCH ANGLE; MAGNETOSPHERE;

D O I：

10.1029/2012GM001324

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Gyro-averaged equations, valid near an arbitrary resonance, are developed both directly from the Lorentz equations and from a Hamiltonian approach. The Hamiltonian development, with several significant approximations, gives a reduction to a much lower dimensional system, which can be approximated analytically. Previous treatments of diffusion, phase bunching, and phase trapping are reviewed and extended in various ways. These results, and future work along these lines, may allow practical, long-term modeling of nonlinear wave-particle interactions in the radiation belts.

引用

页码：255 / +

页数：3

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