Nonlinear electrostatic ion-acoustic waves in the solar atmosphere

  • Basing on recent solar models, the excitation of ion-acoustic turbulence in the weaklycollisional, fully and partially-ionized regions of the solar atmosphere is investigated. Within the frame of hydrodynamics, conditions are found under which the heating of the plasma by ion-acoustic type waves is more effective than the Joule heating. Taking into account wave and Joule heating effects, a nonlinear differential equation is derived, which describes the evolution of nonlinear ion-acoustic waves in the collisional plasma.

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Author:Alexandra Volosevich, Claudia-Veronika Meister
Series (Serial Number):NLD Preprints (paper 060)
Document Type:Preprint
Year of Completion:2000
Publishing Institution:Universität Potsdam
Release Date:2007/08/15
Organizational units:Wissenschaftliche Einrichtungen / Interdisziplinäres Zentrum Dynamik komplexer Systeme
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik