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Electron and Ion Dynamics of the Solar Wind Interaction with a Weakly Outgassing Comet
Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80303 USA.;NASA, SSERVI, Inst Modeling Plasma Atmospheres & Cosm Dus, Moffett Field, CA 94035 USA..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division. St Petersburg State Univ, Phys Dept, St Petersburg 198504, Russia.ORCID iD: 0000-0002-5579-3066
CNRS, LPC2E, F-45071 Orleans, France..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.ORCID iD: 0000-0003-2926-6761
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2017 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 118, no 20, 205101Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2017. Vol. 118, no 20, 205101
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-325323DOI: 10.1103/PhysRevLett.118.205101ISI: 000401459700004PubMedID: 28581804OAI: oai:DiVA.org:uu-325323DiVA: diva2:1114238
Available from: 2017-06-22 Created: 2017-06-22 Last updated: 2017-07-06Bibliographically approved

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Divin, AndreyEriksson, Anders

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