Physics
Scientific paper
Jul 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....7.3843f&link_type=abstract
Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I
Physics
1
Scientific paper
Studies of self-consistent cosmic-ray interactions in the context of the global heliospheric model have been conducted previously in the hydro dynamic approximation only. A serious drawback of this approach is difficulty in treating the cosmic-ray diffusion process properly and the unavailability of particle spectra, making it difficult to make the results compatible with the galactic cosmic-ray (GCR) observations in the outer heliosphere. Moreover, previous studies have not fo cused sufficiently on calculating the correct magnetic field structure and MHD turbulence levels in the heliosheath and heliotail. Our recent work [3] has filled some of these voids by intro ducing a kinetic model of GCR propagation, using the accurately computed interstellar and interplanetary field geometries, in the axisymmetric case. This paper extends our earlier model by intro ducing GCR pressure gradient terms in the plasma MHD equations.
Florinski Vladimir
Zank Gary P.
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