Solitary Alfvén Waves
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912870035357696 |
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| author | Huang, Zesen Velli, Marco Shi, Chen Ding, Yuliang |
| author_facet | Huang, Zesen Velli, Marco Shi, Chen Ding, Yuliang |
| contents | We present the solitary Alfvén wave, an exact nonlinear solution of the ideal magnetohydrodynamic (MHD) equations, and construct a three-dimensional numerical model -- an \emph{Alfvénon}. The model is characterized by an unperturbed far field, quasi-constant $|\boldsymbol{B}|$, and open field-line topology. Direct MHD simulations of the Alfvénon demonstrate remarkable stability, confirming that it behaves as a nonlinear solitary Alfvénic solution under ideal MHD evolution. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_02292 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Solitary Alfvén Waves Huang, Zesen Velli, Marco Shi, Chen Ding, Yuliang Solar and Stellar Astrophysics High Energy Astrophysical Phenomena Plasma Physics Space Physics We present the solitary Alfvén wave, an exact nonlinear solution of the ideal magnetohydrodynamic (MHD) equations, and construct a three-dimensional numerical model -- an \emph{Alfvénon}. The model is characterized by an unperturbed far field, quasi-constant $|\boldsymbol{B}|$, and open field-line topology. Direct MHD simulations of the Alfvénon demonstrate remarkable stability, confirming that it behaves as a nonlinear solitary Alfvénic solution under ideal MHD evolution. |
| title | Solitary Alfvén Waves |
| topic | Solar and Stellar Astrophysics High Energy Astrophysical Phenomena Plasma Physics Space Physics |
| url | https://arxiv.org/abs/2512.02292 |