Computational and theoretical study of the wave-particle interaction of protons and waves

Moya, P. S.; Viñas, A. F.; Muñoz, V.; Valdivia, J. A.

We study the wave-particle interaction and the evolution of electromagnetic waves propagating through a plasma composed of electrons and protons, using two approaches. First, a quasilinear kinetic theory has been developed to study the energy transfer between waves and particles, with the subsequent acceleration and heating of protons. Second, a one-dimensional hybrid numerical simulation has been performed, with and without including an expanding-box model that emulates the spherical expansion of the solar wind, to investigate the fully nonlinear evolution of this wave-particle interaction. Numerical results of both approaches show that there is an anisotropic evolution of proton temperature.

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Moya, P. S. / Viñas, A. F. / Muñoz, V. / et al: Computational and theoretical study of the wave-particle interaction of protons and waves. 2012. Copernicus Publications.

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