Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh22b0754w&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SH22B-0754
Astronomy and Astrophysics
Astrophysics
7500 Solar Physics, Astrophysics, And Astronomy, 7524 Magnetic Fields, 7599 General Or Miscellaneous
Scientific paper
We present results of dusty plasma - neutral gas simualtions considering self-magnetization in the protosolar disk. Observational materials (e.g. meteorits) indicate an early magnetization that cannot be explained by standard processes like dynamo effects. However, plasma - neutral gas simulations have shown that plasma - neutral gas friction (collisions) can yield a significant self-magnetization even in the early Universe. Collision between charged dust grains and neutral gas make this effect much more effective. Our self-consistent multi-fluid simulations show that self-magnetization due to collisons between heavy charged dust particles and neutral gas can yield self-induced magnetic fields up to 30 Gauss in the protosolar disk on very short time scales.
Birk G.
Wiechen Heinz
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