Resonance zones for electron interaction with plasma waves in the Earth's dipole magnetosphere. II. Evaluation for oblique chorus, hiss, electromagnetic ion cyclotron waves, and magnetosonic waves

被引:10
|
作者
Ni, Binbin [1 ]
Summers, Danny [2 ,3 ]
机构
[1] Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA 90095 USA
[2] Mem Univ Newfoundland, Dept Math & Stat, St John, NF A1C 5S7, Canada
[3] Kyung Hee Univ, Sch Space Res, Yongin 446701, Gyeonggi, South Korea
基金
中国国家自然科学基金; 加拿大自然科学与工程研究理事会;
关键词
magnetospheric electromagnetic wave propagation; plasma ion acoustic waves; radiation belts; radiowave propagation; RADIATION BELT ELECTRONS; GYRORESONANT ACCELERATION; RELATIVISTIC ELECTRONS; GEOMAGNETIC STORMS; EMIC WAVES; DIFFUSION; ENERGIES; MODEL; ENERGIZATION; DENSITY;
D O I
10.1063/1.3310835
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
Resonance zones in the Earth's dipole magnetosphere are determined for electron cyclotron resonance with obliquely propagating very-low-frequency chorus, extremely-low-frequency hiss, electromagnetic ion cyclotron, and magnetosonic waves. The resonance zones, which are presented in (L,lambda) space, where L is magnetic shell and lambda is magnetic latitude, depend on the assumed particle density distributions inside and outside the plasmasphere, the specified wave bands, and the electron kinetic energy. This work is a companion paper of Ni and Summers [Phys. Plasmas 17, 042902 (2010)], which considers strictly field-aligned wave propagation. Inclusion of the wave normal angle parameter adds an extra degree of freedom to the calculations, and emphasizes the need for global observational data on the wave spectral properties. Comparison of resonance zones with global wave distributions is a useful aid in the modeling of radiation belt electron dynamics. Resonance zones are also of potential use in the interpretation of observational data on particles and waves at given points in space.
引用
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页数:20
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