Thermalization of solar wind |
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Authors: | S. Krishan D. Rankin |
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Affiliation: | (1) Institute of Earth and Planetary Physics, Dept. of Physics, University of Alberta, Edmonton, Alberta, Canada |
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Abstract: | Three kinetic equations describing the linear and non-linear wave-particle interaction for an anisotropic solar wind plasma have been developed. These equations have been solved numerically to find the variation inT/T with respect to time, whereT andT are the perpendicular and parallel temperatures with respect to the ambient magnetic field of the solar wind. For wave energy greater than a critical value (strong turbulence), non-linear wave-particle interactions are important but do not lead to thermalization. On the other hand, weak nonlinear interactions tend to increaseT/T, but make only a negligible contribution in the quantitative sense. Thus, only the linear wave-particle interaction remains as the significant contributer to the increase ofT/T. |
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