Exact Solution with Shock-Like Structure for Nonlinear Kinetic Alfvéh Waves and Electron Acceleration

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	WU De-jin

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 << m_e /m_i << 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 10λ_e 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 (2m_e /m_iβ)T_e / e >> T_e / 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.

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https://cpl.iphy.ac.cn/CN/ 或 https://cpl.iphy.ac.cn/CN/Y1999/V16/I2/111