Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..932..123h&link_type=abstract
TURBULENCE AND NONLINEAR PROCESSES IN ASTROPHYSICAL PLASMAS; 6th Annual International Astrophysics Conference. AIP Conference P
Astronomy and Astrophysics
Astrophysics
1
Heliosphere/Interstellar Medium Interactions, Neutral Particles, Particle Emission, Solar Wind, Solar Wind Plasma, Sources Of Solar Wind
Scientific paper
The local interstellar medium (LISM) is a relatively cool partially ionized plasma, where neutral hydrogen atoms out-number plasma protons by about 3:1. Neutral hydrogen plays an important role in determining the structure of the heliosphere, which is created by the interaction of solar wind plasma with LISM plasma. A key feature of neutral atoms is that their mean free paths are large, compared to the length scale of the heliosphere, and their main form of interaction is through charge-exchange with the plasma. For this reason it is generally accepted that heliospheric neutral atoms should be modeled kinetically, rather than as a fluid. In this paper we present preliminary results of a coupling between a kinetic neutral atom code and a 2D compressible MHD spectral code to investigate interstellar medium turbulence in the presence of kinetic neutral atoms.
Heerikhuisen Jacob
Shaikh Dastgeer
Zank Gary
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