Computer Science
Scientific paper
May 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010eguga..12.3948w&link_type=abstract
EGU General Assembly 2010, held 2-7 May, 2010 in Vienna, Austria, p.3948
Computer Science
Scientific paper
Mercury's magnetosphere is a poor known system which couples directly to the surface but is hardly affected by the tenuous ionosphere. As a terrestrial moon-like body, the closure of the field-aligned currents (FACs) remains a critical issue for the study of the magnetosphere. We performed a 3D hybrid model to simulate the Hermean system without injecting any planetary ions and treated the surface of Mercury with small resisitivity (10-3 S/m) and large resistivity (10-7 S/m) for comparison. While the surface conductivity has equivalent functions as a substantial ionosphere, the magnetosphere could be taken as a mini-size of Earth-like structure. However, as the surface resistivity increases to avoid the FACs from completion, the plasma flow would be modified as a feedback. The plasma environment and the magnetic distribution around Mercury were examined and the effect of the surface conductivity on the morphology of Mercury's magnetosphere could be acquainted more closely through the inspection.
Huen Ip Wing
Motschmann Uwe
Mueller Joachim
Wang Yung-Ching
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