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

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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Submitted on : Thursday, December 20, 2018 - 3:53:22 PM
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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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