论文标题
在太阳大气中观察到的湍流快速重新连接的发作
Onset of turbulent fast magnetic reconnection observed in the solar atmosphere
论文作者
论文摘要
从伽马射线爆发到太阳耀斑，快速磁重新连接能力爆炸性事件。尽管它的重要性，但天体物理快速重新连接的开始是激烈争论的主题，并且在等离子体物理学中仍然是一个悬而未决的问题。在这里，我们报告了通过\ textit {接口区域成像光谱仪}获得的两个重新连接驱动的太阳微量列表的高积累观测，这些太阳能光谱}显示出在耀斑之前持续的湍流。这些流的速度最初与局部音速相媲美，这表明在高度湍流的血浆环境中快速重新连接的开始。我们的结果与湍流驱动的重新连接理论以及与湍流诱导快速磁重新连接的数值模拟有关。
Fast magnetic reconnection powers explosive events throughout the universe, from gamma-ray bursts to solar flares. Despite its importance, the onset of astrophysical fast reconnection is the subject of intense debate and remains an open question in plasma physics. Here we report high-cadence observations of two reconnection-driven solar microflares obtained by the \textit{Interface Region Imaging Spectrograph} that show persistent turbulent flows preceding flaring. The speeds of these flows are comparable to the local sound speed initially, suggesting the onset of fast reconnection in a highly turbulent plasma environment. Our results are in close quantitative agreement with the theory of turbulence-driven reconnection as well as with numerical simulations in which fast magnetic reconnection is induced by turbulence.
