Chin. Phys. Lett.  2007, Vol. 24 Issue (1): 298-301    DOI:
Original Articles |
Theoretical Study on Ion Escape in Martian Atmosphere
SHI Jian-Kui1;LIU Zhen-Xing1;Klaus TORKAR2;Tielong ZHANG2
1State Key Laboratory for Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080 2Space Research Institute, Austrian Academy of Sciences, A-8042, Graz, Austria
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SHI Jian-Kui, LIU Zhen-Xing, Klaus TORKAR et al  2007 Chin. Phys. Lett. 24 298-301
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Abstract Based on the observation that Martian magnetic moment is gradually reducing from the ancient to the present, we investigate the O+ ion flux distribution along magnetic field lines and the ion escaping flux in Martian tail with different assumed Martian magnetic moments. The results show that the O+ ion flux along magnetic field lines decreases with distance from Mars; the ion flux along the field line decreases more quickly if the magnetic moment is larger; the larger the magnetic moment, the smaller the ion escaping flux in the Martian tail. The ion escaping flux depends on Z-coordinate in the Martian tail. With decrease of the magnetic moment, the ion escaping flux in the Martian tail increases. The results are significant for studying the water loss from Mars surface.
Keywords: 96.30.Gc      94.30.Vf      96.25.Ln     
Published: 01 January 2007
PACS:  96.30.Gc (Mars)  
  94.30.vf (Solar wind/magnetosphere interactions)  
  96.25.Ln (Magnetic fields and magnetism)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I1/0298
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SHI Jian-Kui
LIU Zhen-Xing
Klaus TORKAR
Tielong ZHANG
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