A 3D hybrid simulation study of the electromagnetic field distributions in the lunar wake

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题名:	A 3D hybrid simulation study of the electromagnetic field distributions in the lunar wake
作者:	Wang,YC;Muller,J;Ip,WH;Motschmann,U
贡献者:	天文研究所
关键词:	IN-CELL SIMULATIONS;MAGNETIC-FIELD;MERCURYS MAGNETOSPHERE;PLASMA ENVIRONMENT;WIND;MOON
日期:	2011
上传时间:	2012-03-27 18:11:01 (UTC+8)
出版者:	國立中央大學
摘要:	A three-dimensional hybrid code is used to study the electromagnetic disturbances in the solar wind that arise due to the absorption effect of the Moon. Due to the nearly insulating nature of the Moon, interplanetary magnetic fields (IMFs) can move through the interior without hindrance. However, the near-vacuum created in the wake region due to the lunar absorption effect will lead to enhancement of the strength of the magnetic field by a factor of about 1.4 in the middle of the lunar wake and lead to depletions at two sides. The situations arising from different orientations of the interplanetary magnetic fields relative to the radial direction are compared. Asymmetries of the inward diffusions both along and perpendicular to the field lines are also observed. The electric field formed from the plasma convection could reach a magnitude of 0.2-0.8 mV/m at the border of the wake. The role of the electric field on the inward accelerations is important to the geometry of the lunar wake. (C) 2011 Elsevier Inc. All rights reserved.
關聯:	ICARUS
显示于类别:	[天文研究所] 期刊論文

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