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Visualization of rapid electron precipitation via chorus element wave–particle interactions

Author

Listed:
  • Mitsunori Ozaki

    (Kanazawa University)

  • Yoshizumi Miyoshi

    (Nagoya University)

  • Kazuo Shiokawa

    (Nagoya University)

  • Keisuke Hosokawa

    (The University of Electro-Communications)

  • Shin-ichiro Oyama

    (Nagoya University
    University of Oulu
    National Institute of Polar Research)

  • Ryuho Kataoka

    (National Institute of Polar Research
    The Graduate University for Advanced Studies (SOKENDAI))

  • Yusuke Ebihara

    (Kyoto University)

  • Yasunobu Ogawa

    (National Institute of Polar Research
    The Graduate University for Advanced Studies (SOKENDAI))

  • Yoshiya Kasahara

    (Kanazawa University)

  • Satoshi Yagitani

    (Kanazawa University)

  • Yasumasa Kasaba

    (Tohoku University)

  • Atsushi Kumamoto

    (Tohoku University)

  • Fuminori Tsuchiya

    (Tohoku University)

  • Shoya Matsuda

    (Japan Aerospace Exploration Agency)

  • Yuto Katoh

    (Tohoku University)

  • Mitsuru Hikishima

    (Japan Aerospace Exploration Agency)

  • Satoshi Kurita

    (Nagoya University)

  • Yuichi Otsuka

    (Nagoya University)

  • Robert C. Moore

    (University of Florida)

  • Yoshimasa Tanaka

    (National Institute of Polar Research
    The Graduate University for Advanced Studies (SOKENDAI)
    Research Organization of Information and Systems)

  • Masahito Nosé

    (Nagoya University)

  • Tsutomu Nagatsuma

    (National Institute of Information and Communications Technology)

  • Nozomu Nishitani

    (Nagoya University)

  • Akira Kadokura

    (National Institute of Polar Research
    The Graduate University for Advanced Studies (SOKENDAI)
    Research Organization of Information and Systems)

  • Martin Connors

    (Athabasca University)

  • Takumi Inoue

    (Kanazawa University)

  • Ayako Matsuoka

    (Japan Aerospace Exploration Agency)

  • Iku Shinohara

    (Japan Aerospace Exploration Agency)

Abstract

Chorus waves, among the most intense electromagnetic emissions in the Earth’s magnetosphere, magnetized planets, and laboratory plasmas, play an important role in the acceleration and loss of energetic electrons in the plasma universe through resonant interactions with electrons. However, the spatial evolution of the electron resonant interactions with electromagnetic waves remains poorly understood owing to imaging difficulties. Here we provide a compelling visualization of chorus element wave–particle interactions in the Earth’s magnetosphere. Through in-situ measurements of chorus waveforms with the Arase satellite and transient auroral flashes from electron precipitation events as detected by 100-Hz video sampling from the ground, Earth’s aurora becomes a display for the resonant interactions. Our observations capture an asymmetric spatial development, correlated strongly with the amplitude variation of discrete chorus elements. This finding is not theoretically predicted but helps in understanding the rapid scattering processes of energetic electrons near the Earth and other magnetized planets.

Suggested Citation

  • Mitsunori Ozaki & Yoshizumi Miyoshi & Kazuo Shiokawa & Keisuke Hosokawa & Shin-ichiro Oyama & Ryuho Kataoka & Yusuke Ebihara & Yasunobu Ogawa & Yoshiya Kasahara & Satoshi Yagitani & Yasumasa Kasaba & , 2019. "Visualization of rapid electron precipitation via chorus element wave–particle interactions," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-018-07996-z
    DOI: 10.1038/s41467-018-07996-z
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    Cited by:

    1. Shangchun Teng & Yifan Wu & Yuki Harada & Jacob Bortnik & Fulvio Zonca & Liu Chen & Xin Tao, 2023. "Whistler-mode chorus waves at Mars," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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