NASA NTRS · 19890029843
The alpha-effect generated by standing Alfven waves
Abstract
The mean electromotive force generated by nonlinear standing Alfven waves propagating along the mean magnetic field is investigated. It is shown that the alpha-effect can exist owing to the interaction between oppositely propagating two waves, provided that the initial fields have nonzero helicity. The result is discussed in the context of field-aligned currents and periodic particle flux variations in the earth's magnetosphere.
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Namikawa, Tomikazu, Hamabata, Hiromitsu. 1988-10-01. The alpha-effect generated by standing Alfven waves. https://ntrs.nasa.gov/citations/19890029843
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