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发表刊物：Geophysical Research Letters
关键字：Effect of Hot He+ Ions,Electron Pitch Angle Scattering,EMIC Waves
摘要：In this paper, we find that hot He+ ions significantly alter the kinetic dispersion relation of electromagnetic ion cyclotron (EMIC) waves and thus strongly affect the wave‐driven electron pitch angle scattering rates. Increasing hot He+ ion parallel temperature, temperature anisotropy, or abundance raises the pitch angle scattering rates of MeV electrons driven by the H+ band EMIC waves. During the electron resonance with the He+ and O+ band EMIC waves, the electron pitch angle scattering rates are more sensitive to the variation of temperature anisotropy and abundance of hot He+ ions than th
论文类型：基础研究
一级学科：地球物理学
文献类型：期刊
是否译文：否
发表时间：2019-07-28
收录刊物：SCI
发布期刊链接：https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019GL083456