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DOI | 10.1029/2020GL089473 |
Field Line Resonances in Jupiter’s Magnetosphere | |
R. L. Lysak; Y. Song | |
2020-09-09 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | The arrival of the Juno satellite at Jupiter has led to an increased interest in the dynamics of the Jovian magnetosphere. Jupiter’s auroral emissions often exhibit quasi‐periodic oscillations with periods of tens of minutes. Magnetic observations indicate that ultra‐low‐frequency (ULF) waves with similar periods are often seen in data from Galileo and other satellites traversing the Jovian magnetosphere. Such waves can be associated with field line resonances, which are standing shear Alfvén waves on the field lines. Using model magnetic fields and plasma distributions, the frequencies of field line resonances and their harmonics on field lines connecting to the main auroral oval have been determined. Time domain simulations of Alfvén wave propagation have illustrated the evolution of such resonances. These studies indicate that harmonics of the field line resonances are common in the 10‐40 minute band. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/293971 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | R. L. Lysak,Y. Song. Field Line Resonances in Jupiter’s Magnetosphere[J]. Geophysical Research Letters,2020. |
APA | R. L. Lysak,&Y. Song.(2020).Field Line Resonances in Jupiter’s Magnetosphere.Geophysical Research Letters. |
MLA | R. L. Lysak,et al."Field Line Resonances in Jupiter’s Magnetosphere".Geophysical Research Letters (2020). |
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