Dissipative Solitary Kinetic Alfvén Waves and Electron Acceleration in the Solar Corona |
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Authors: | D J Wu |
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Institution: | (1) Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008, PRC |
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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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Keywords: | nonlinear kinetic Alfven waves kinetic dissipation solar coronal plasmas acceleration of solar energetic electrons |
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