Energy Dissipation at the Termination Shock: 1D PIC Simulation

Details Energy Dissipation at the Termination Shock: 1D PIC Simulation Energy Dissipation at the Termination Shock: 1D PIC Simulation

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1366...53o&link_type=abstract

PARTIALLY IONIZED PLASMAS THROUGHOUT THE COSMOS-PROCEEDINGS OF THE 2010 HUNTSVILLE WORKSHOP. AIP Conference Proceedings, Volume

Physics

1

Solar Pulsations, Shock Waves, Solar Wind, Plasma, Helioseismology, Pulsations, And Shock Waves, Strong Motions And Shock Waves, Particle Emission, Solar Wind, Magnetohydrodynamics And Plasmas

Scientific paper

The Voyager 2 (V2) observations of the heliospheric termination shock indicate that it is heavily influenced by the presence of interstellar pickup ions (PUIs). The V2 instrument measured less solar wind heating than expected and a downstream flow speed that remained supersonic. While PUIs are expected to play a role in energy dissipation at the shock, the details remain unclear. Here, we use particle-in-cell (PIC) simulations and show that PUIs indeed play an important role and that the downstream flow speed remains supersonic if the magnetosonic speed were measured without the contribution of PUIs.

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