Early time interaction of lithium ions with the solar wind in the AMPTE Mission
Early time interaction of lithium ions with the solar wind in the AMPTE Mission
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AMPTE 任务中锂离子与太阳风的早期相互作用
DOI：
10.1029/ja091ia02p01333
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发表时间：
1986
影响因子：
--
通讯作者：
K. Papadopoulos
中科院分区：
文献类型：
--
作者：
A. Lui;C. Goodrich;A. Mankofsky;K. Papadopoulos
用一维混合程序模拟了人工注入锂云与太阳风的早期相互作用。模拟结果表明，锂云对太阳风流动构成了障碍，形成了类似激波的相互作用区。发现了几个显著的特点：（1）磁场增强到约6倍，随后是一个磁腔下游。(2)太阳风离子在锂云内部减速，并有大量的上游反射。(3)大多数锂离子逐渐加快太阳风的速度并向下游移动。(4)在相互作用区的前方存在强的短波长电场。(5)强电子加热发生在锂云内。(6)在相互作用区，太阳风中的对流电场被调制。模拟结果与AMPTE（主动磁层粒子示踪探测器）计划在太阳风中锂释放期间进行的原位航天器测量结果非常一致。
The early time interaction of an artificially injected lithium cloud with the solar wind is simulated with a one-dimensional hybrid code. Simulation results indicate that the lithium cloud presents an obstacle to the solar wind flow, forming a shock-like interaction region. Several notable features are found: (1) The magnetic field is enhanced up to a factor of about 6 followed by a magnetic cavity downstream. (2) Solar wind ions are slowed down inside the lithium cloud, with substantial upstream reflection. (3) Most of the lithium ions gradually pick up the velocity of the solar wind and move downstream. (4) Intense and short-wavelength electric fields exist ahead of the interaction region. (5) Strong electron heating occurs within the lithium clouds. (6) The convection electric field in the in the solar wind is modulated in the interaction region. The simulation results are in remarkable agreement with in situ spacecraft measurements made during lithium releases in the solar wind by the AMPTE (Active magnetospheric Particle Tracer Explorers) Program.