Dissipative Solitary Kinetic Alfvén Waves and Electron Acceleration in the Solar Corona

Author： Wu D.  

Publisher： Springer Publishing Company

ISSN： 0038-6308

Source： Space Science Reviews, Vol.121, Iss.1-4, 2005-11, pp. : 333-342

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Abstract

Nonthermal electrons play a major role during solar flares since not only they contain a large amount of the released energy but also they provide important information of the flaring physics through their nonthermal radiation in radio and hard X-ray bands. In a recent work Wu (Phys. Plasmas 10 (2003) 1364) proposed that dissipative solitary kinetic Alfvén wave (DSKAW) with a local shock-like structure could provide an efficient acceleration mechanism for energetic electrons in a low-β plasma. In the present paper dynamical characteristics of the DSKAW acceleration mechanism in solar coronal plasmas are studied and its application to the acceleration of flaring electrons is discussed.

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