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The particle carriers of field-aligned currents in the Earth's magnetotail during a substorm
Cheng, Z. W.; Zhang, J. C.; Shi, J. K.; Kistler, L. M.; Dunlop, M.; Dandouras, I.; Fazakerley, A.; Cheng, ZW (reprint author), NSSC CAS, State Key Lab Space Weather, Beijing, Peoples R China.; Cheng, ZW (reprint author), Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2016
Volume121Issue:4Pages:3058-3068
ISSN2169-9380
Language英语
AbstractAlthough the particle carriers of field-aligned currents (FACs) in the Earth's magnetotail play an important role in the transfer of momentum and energy between the solar wind, magnetosphere, and ionosphere, the characteristics of the FAC carriers have been poorly understood. Taking advantage of multiinstrument magnetic field and plasma data collected by the four spacecraft of the Cluster constellation as they traversed the northern plasma sheet boundary layer in the magnetotail on 14 September 2004, we identified the species type and energy range of the FAC carriers for the first time. The results indicate that part of tailward FACs is carried by energetic keV ions, which are probably originated from the ionosphere through outflow, and they are not too small (similar to 2 nA/m(2)) to be ignored. The earthward (tailward) FACs are mainly carried by the dominant tailward (earthward) motion of electrons, and higher-energy electrons (from similar to 0.5 to 26 keV) are the main carriers.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5591
Collection空间科学部
Corresponding AuthorCheng, ZW (reprint author), NSSC CAS, State Key Lab Space Weather, Beijing, Peoples R China.; Cheng, ZW (reprint author), Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
Recommended Citation
GB/T 7714
Cheng, Z. W.,Zhang, J. C.,Shi, J. K.,et al. The particle carriers of field-aligned currents in the Earth's magnetotail during a substorm[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2016,121(4):3058-3068.
APA Cheng, Z. W..,Zhang, J. C..,Shi, J. K..,Kistler, L. M..,Dunlop, M..,...&Cheng, ZW .(2016).The particle carriers of field-aligned currents in the Earth's magnetotail during a substorm.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,121(4),3058-3068.
MLA Cheng, Z. W.,et al."The particle carriers of field-aligned currents in the Earth's magnetotail during a substorm".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 121.4(2016):3058-3068.
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