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Resolved magnetohydrodynamic wave lensing in the solar corona

Author

Listed:
  • Xinping Zhou

    (Sichuan Normal University)

  • Yuandeng Shen

    (Chinese Academy of Sciences)

  • Ding Yuan

    (Harbin Institute of Technology
    Chinese Academy of Sciences)

  • Rony Keppens

    (Department of Mathematics, KU Leuven)

  • Xiaozhou Zhao

    (Department of Mathematics, KU Leuven)

  • Libo Fu

    (Harbin Institute of Technology
    Chinese Academy of Sciences)

  • Zehao Tang

    (Chinese Academy of Sciences)

  • Jiaoyang Wang

    (Harbin Institute of Technology
    Chinese Academy of Sciences)

  • Chengrui Zhou

    (Chinese Academy of Sciences)

Abstract

Electromagnetic wave lensing, a common physical phenomenon recognized in visible light for centuries, finds extensive applications in manipulating light in optical systems such as telescopes and cameras. Magnetohydrodynamic wave is a common perturbation phenomenon in the corona. By using high spatio-temporal resolution observations from the Solar Dynamics Observatory, here, we report the observation of a magnetohydrodynamic wave lensing in the highly ionized and magnetized coronal plasma, where quasi-periodic wavefronts emanated from a flare converged at a specific point after traversing a coronal hole. The entire process resembles an electromagnetic wave lensing from the source to the focus. Meanwhile, the magnetohydrodynamic wave lensing is well reproduced through a magnetohydrodynamic numerical simulation with full spatio-temporal resolution. We further investigate potential applications for coronal seismology, as the lensing process encodes information on the Alfvén speed, in conjunction with favorable geometric and density variations.

Suggested Citation

  • Xinping Zhou & Yuandeng Shen & Ding Yuan & Rony Keppens & Xiaozhou Zhao & Libo Fu & Zehao Tang & Jiaoyang Wang & Chengrui Zhou, 2024. "Resolved magnetohydrodynamic wave lensing in the solar corona," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46846-z
    DOI: 10.1038/s41467-024-46846-z
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