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Dissipation and Wave-ion Interaction in the Solar Wind: Links Between Fluid and Kinetic Theory : Volume 6, Issue 3/4 (30/11/-0001)

By Marsch, E.

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Book Id: WPLBN0004019930
Format Type: PDF Article :
File Size: Pages 12
Reproduction Date: 2015

Title: Dissipation and Wave-ion Interaction in the Solar Wind: Links Between Fluid and Kinetic Theory : Volume 6, Issue 3/4 (30/11/-0001)  
Author: Marsch, E.
Volume: Vol. 6, Issue 3/4
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
-0001
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Marsch, E. (-0001). Dissipation and Wave-ion Interaction in the Solar Wind: Links Between Fluid and Kinetic Theory : Volume 6, Issue 3/4 (30/11/-0001). Retrieved from http://hawaiilibrary.net/


Description
Description: Max-Planck Institut für Aeronomie, Max-Planck-Str. 2, D-37191 Katlenburg-Lindau, Germany. In this paper we establish links between turbulence dissipation and wave-particle interactions in the solar corona and wind. Based on quasilinear theory, a set of anisotropic, multi-component fluid equations is derived, which describe the wave-particle interactions of ions with Alfvén waves and ion-cyclotron waves or magnetosonic waves propagating along the mean magnetic field. The associated equations for the wave spectrum and the heating and acceleration of the ions are derived. In fast solar wind streams heavy ions have about equal thermal speeds as the protons and flow faster than them. In order to explain the observed relations, Tj / Tp ≈ mj /mp and Uj Up ≈ VA, a numerical fluid-type model is developed, which takes into account the relevant wave-particle interactions. It is shown that left- and right-handed polarized waves propagating away from the Sun parallel to the interplanetary magnetic field can resonantly heat and accelerate minor ions preferentially with respect to the protons in close agreement with the measured characteristics of ion velocity distributions. Finally, some results from a simple analytical model are discussed.

Summary
Dissipation and wave-ion interaction in the solar wind: Links between fluid and kinetic theory

 

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