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Energetic Electron Acceleration by Ion-scale Magnetic Islands in Turbulent Magnetic Reconnection: Particle-in-cell Simulations and ARTEMIS Observations

机译:通过离子尺度磁岛的精力充沛的电子加速度:粒细胞模拟和易于观察

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Particle-in-cell simulations show that numerous ion-scale magnetic islands can be formed in a turbulent magnetic reconnection region. These islands can confine and accelerate electrons to high energies effectively, causing the energetic electron energy flux to peak at the center of each island. ARTEMIS spacecraft observations of turbulent reconnection outflows in Earth's magnetotail reveal that peaks in the energetic electron energy flux are well correlated with bipolar signatures of reconnected magnetic field, which are indicative of ion-scale magnetic islands, providing observational evidence for this acceleration process.
机译:粒子内模拟表明,许多离子级磁岛可以形成在湍流磁性重新连接区域中。 这些岛屿可以有效地限制和加速电子到高能量,使能量电子能量通量在每个岛的中心峰值。 地球磁铁船的湍流重新连接的Artemis航天器观测显示,能量电子能量通量的峰值与重新连接的磁场的双极签名相关,这表示离子级磁岛,为该加速过程提供观察证据。

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