磁回折的潜在太阳先兆
Potential Solar Precursors to Magnetic Switchbacks
浏览论文内容
中文总结 AI 辅助
探讨磁回折起源这一太阳和日球层科学难题，先讨论大规模日冕动力学对其形成的潜在影响，再回顾可能的先兆小尺度动态事件，最后论述连接原位与遥感观测的研究及挑战，还明确了相关术语。
中文摘要 AI 辅助
磁回折是帕克太阳探测器显示在内日球层几乎无处不在的大振幅、球极化且局部极性反转的磁场波动，其起源是太阳和日球层科学中最突出的开放性问题之一。年轻太阳风 中这些结构的出现是活跃的研究课题，不仅关注其特征和演化，还致力于解开其起源之谜。本文首先讨论了塑造和调节延伸日冕的大规模日冕动力学和重组过程对磁回折形成的潜在影响。接着，回顾了太阳大气中众多可能的先兆小尺度动态事件的动力学、物理性质、发生率和能量学，强调它们在产生磁回折中的可能作用。最后，讨论了一些试图将磁回折及其斑块的原位观测与遥感观测联系起来的近期研究，以及在精确识别太阳风源区并将原位观测与瞬态太阳现象联系起来方面的相关挑战。我们还阐明了太阳科学界用于描述小尺度太阳现象的术语。
英文摘要
The origin of magnetic switchbacks-large-amplitude, spherically polarized magnetic-field fluctuations with local polarity inversions shown to be nearly ubiquitous in the inner heliosphere by Parker Solar Probe-is presently one of the most outstanding open questions in solar and heliospheric science. The occurrence of these structures in the young solar wind is a topic of active research, focusing not only on their characteristics and evolution but also on unraveling the puzzle of their origin. We first discuss the potential influence on switchback (SB) formation of large-scale coronal dynamics and restructuring processes that shape and regulate the extended solar corona. Following that, we review the dynamics, physical properties, occurrence rate, and energetics of numerous possible precursor small-scale dynamic events that occur throughout the solar atmosphere, emphasizing their possible roles in creating SBs. Finally, we discuss some recent studies attempting to connect in situ observations of SBs and SB patches with remote-sensing observations, and the related challenges in identifying solar wind source regions precisely and linking in situ observations to transient solar phenomena. We also clarify the terminology used by the solar community to describe small-scale solar phenomena.
