Abstract:
Some restriction conditions of soliton solution for a nonlinear kinetic Alfven wave in the case of me/ mi<< β<< 1 have been discussed in detail. It is found that a compressive soliton can form only in the subAlfven velocity. The maximum parallel electron velocity, induced from kinetic Alfven soliton and turbulenee cannot exceed the thermal velocity of background electrons, but its maximum parallel electric field mny rather strong in the small scale region. It will produce a certain influence for energy transfering and particle acceleration in the solar wind'
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