Exact Solution with Shock-Like Structure for Nonlinear Kinetic Alfvéh Waves and Electron Acceleration
WU De-jin
Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008
Exact Solution with Shock-Like Structure for Nonlinear Kinetic Alfvéh Waves and Electron Acceleration
WU De-jin
Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008
关键词 :
52.40.Db ,
52.35.Mw
Abstract : An analytical solution with shock-like structure for nonlinear kinetic Alfvén waves in a low-β (β << me /mi << 1) plasma is presented. It is showed that the oblique propagating nonlinear kinetic Alfvén wave can rarefy the plasma and lead to a local density jump over a characteristic width of 10λe at the wave front, in particular, these new shock-like structure of nonlinear kinetic Alfvén waves possess a net field-aligned electric potential drop with a typical order of (2me /mi β)Te / e >> Te / e , as a consequence, they can effectively accelerate field-aligned electrons to velocities of order of the Alfvén velocity.
Key words :
52.40.Db
52.35.Mw
出版日期: 1999-02-01
:
52.40.Db
(Electromagnetic (nonlaser) radiation interactions with plasma)
52.35.Mw
(Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.))
引用本文:
WU De-jin. Exact Solution with Shock-Like Structure for Nonlinear Kinetic Alfvéh Waves and Electron Acceleration[J]. 中国物理快报, 1999, 16(2): 111-113.
WU De-jin. Exact Solution with Shock-Like Structure for Nonlinear Kinetic Alfvéh Waves and Electron Acceleration. Chin. Phys. Lett., 1999, 16(2): 111-113.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1999/V16/I2/111
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