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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2021
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2108.09419 |
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| _version_ | 1866910492331606016 |
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| author | Ng, J. Chen, L. -J. Omelchenko, Y. |
| author_facet | Ng, J. Chen, L. -J. Omelchenko, Y. |
| contents | The impact of high-speed jets -- dynamic pressure enhancements in the magnetosheath -- on the Earth's magnetopause has been observed to trigger local magnetic reconnection. We perform a three-dimensional hybrid simulation to study the magnetosheath and magnetopause under turbulent conditions using a quasi-radial southward interplanetary magnetic field (IMF). In contrast to quasi-steady reconnection with a strong southward IMF, we show that after the impact of a jet on the magnetopause, the magnetopause moves inwards, the current sheet is compressed and intensified and signatures of local magnetic reconnection are observed, showing similarities to spacecraft measurements |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2108_09419 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Bursty magnetic reconnection at the Earth's magnetopause triggered by high-speed jets Ng, J. Chen, L. -J. Omelchenko, Y. Space Physics Plasma Physics The impact of high-speed jets -- dynamic pressure enhancements in the magnetosheath -- on the Earth's magnetopause has been observed to trigger local magnetic reconnection. We perform a three-dimensional hybrid simulation to study the magnetosheath and magnetopause under turbulent conditions using a quasi-radial southward interplanetary magnetic field (IMF). In contrast to quasi-steady reconnection with a strong southward IMF, we show that after the impact of a jet on the magnetopause, the magnetopause moves inwards, the current sheet is compressed and intensified and signatures of local magnetic reconnection are observed, showing similarities to spacecraft measurements |
| title | Bursty magnetic reconnection at the Earth's magnetopause triggered by high-speed jets |
| topic | Space Physics Plasma Physics |
| url | https://arxiv.org/abs/2108.09419 |