PARTICLE ACCELERATION BY MAGNETIC RECONNECTION IN A TWISTED CORONAL LOOP

PARTICLE ACCELERATION BY MAGNETIC RECONNECTION IN A TWISTED CORONAL LOOP
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DOI:
10.1088/0004-637x/729/2/101
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发表时间:
2011-03
期刊:
The Astrophysical Journal
影响因子:
--
通讯作者:
M. Gordovskyy;P. Browning
M. Gordovskyy;P. Browning
中科院分区:
其他
文献类型:
--
作者:
M. Gordovskyy;P. Browning

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光球运动可能导致扭曲的日冕磁场,其中包含可以通过重联释放的自由能量。布朗宁和货车德林登建议,这样的弛豫事件可能是由理想的扭结不稳定性的开始触发的。在目前的工作中,我们研究了一个扭曲的磁通量管与零净轴向电流以下胡德等人的演变。根据所获得的磁场和电场,质子和电子的轨迹计算使用测试粒子的方法。我们将讨论由此产生的粒子分布和可能的观测影响,例如,小太阳耀斑。
Photospheric motions may lead to twisted coronal magnetic fields which contain free energy that can be released by reconnection. Browning & Van der Linden suggested that such a relaxation event may be triggered by the onset of ideal kink instability. In the present work, we study the evolution of a twisted magnetic flux tube with zero net axial current following Hood et al. Based on the obtained magnetic and electric fields, proton and electron trajectories are calculated using the test-particle approach. We discuss resulting particle distributions and possible observational implications, for example, for small solar flares.