Electron and Ion Dynamics of the Solar Wind Interaction with a Weakly Outgassing Comet

Jan Deca 1, 2 Andrey Divin 3, 4 Pierre Henri 5 Anders Eriksson 4 Stefano Markidis 6 Vyacheslav Olshevsky 7 Mihaly Horanyi 2
1 IMPACT - Institute for Modeling Plasma, Atmospheres and Cosmic Dust
2 LASP - Laboratory for Atmospheric and Space Physics [Boulder]
3 NIF - V.A. Fock Institute of Physics
4 IRF - Swedish Institute of Space Physics [Uppsala]
5 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace
6 KTH - Royal Institute of Technology [Stockholm]
7 KU Leuven - Katholieke Universiteit Leuven
Abstract : Using a 3D fully kinetic approach, we disentangle and explain the ion and electron dynamics of the solar wind interaction with a weakly outgassing comet. We show that, to first order, the dynamical interaction is representative of a four-fluid coupled system. We self-consistently simulate and identify the origin of the warm and suprathermal electron distributions observed by ESA’s Rosetta mission to comet 67P/Churyumov-Gerasimenko and conclude that a detailed kinetic treatment of the electron dynamics is critical to fully capture the complex physics of mass-loading plasmas.
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Physical Review Letters, American Physical Society, 2017, 118 (20), pp.205101. 〈10.1103/PhysRevLett.118.205101〉
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https://hal-insu.archives-ouvertes.fr/insu-01541244
Contributeur : Nathalie Rouchon <>
Soumis le : jeudi 20 décembre 2018 - 15:53:22
Dernière modification le : jeudi 7 février 2019 - 14:58:44

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Jan Deca, Andrey Divin, Pierre Henri, Anders Eriksson, Stefano Markidis, et al.. Electron and Ion Dynamics of the Solar Wind Interaction with a Weakly Outgassing Comet. Physical Review Letters, American Physical Society, 2017, 118 (20), pp.205101. 〈10.1103/PhysRevLett.118.205101〉. 〈insu-01541244〉

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