论文标题
在激光生产的等离子体的自启发性的反平行磁场中检测电流表和双极离子流进行磁重新连接研究
Detection of current-sheet and bipolar ion flows in a self-generated antiparallel magnetic field of laser-produced plasmas for magnetic reconnection research
论文作者
论文摘要
通过使用光学诊断研究，研究了激光生产的磁化等离子体中的磁重连接。磁场是通过Biermann电池效应产生的，而反向定向的磁场线相互相互作用。通过自我发射测量表明，两个碰撞等离子体停滞在一个形成两个平面密集区域的中间平面上，并且它们随着时间的及时相互作用。激光汤姆森散射光谱沿自生成的磁场的方向扭曲，表明不对称的离子速度分布和血浆加速度。另外，垂直于磁场的光谱显示出不同的峰强度，表明电子电流形成。这些结果被解释为磁场耗散，重新连接和流出加速度。如下所述，二向激光汤姆森散射是研究重新连接区域中微物理学的强大工具。
Magnetic reconnection in laser-produced magnetized plasma is investigated by using optical diagnostics. The magnetic field is generated via Biermann battery effect, and the inversely directed magnetic field lines interact with each other. It is shown by self-emission measurement that two colliding plasmas stagnate on a mid-plane forming two planar dense regions, and that they interact later in time. Laser Thomson scattering spectra are distorted in the direction of the self-generated magnetic field, indicating asymmetric ion velocity distribution and plasma acceleration. In addition, the spectra perpendicular to the magnetic field show different peak intensity, suggesting an electron current formation. These results are interpreted as magnetic field dissipation, reconnection, and outflow acceleration. Two-directional laser Thomson scattering is, as discussed here, a powerful tool for the investigation of microphysics in the reconnection region.
