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<p>Using magnetospheric multiscale (MMS) mission observations in the Earth’s magnetotail, it has been shown that numerous secondary sources of electron acceleration are formed in a hot collisionless plasma, which is turbulized by a bursty bulk flow propagating from the primary reconnection region. Such sources may be regions of secondary microreconnections occurring at electron kinetic scales. The observed electrostatic solitons, which serve as markers of “secondary magnetic separatrices,” along which electron beams accelerated to superthermal energies propagate, similar to solitons near primary reconnection separatrices have been studied in this work.</p>

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Electrostatic Solitary Waves in the Central Plasma Sheet of the Earth’s Magnetotail

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月1日

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  • M. V. Leonenko,
  • E. E. Grigorenko,
  • L. M. Zelenyi,
  • H. Fu

摘要

Using magnetospheric multiscale (MMS) mission observations in the Earth’s magnetotail, it has been shown that numerous secondary sources of electron acceleration are formed in a hot collisionless plasma, which is turbulized by a bursty bulk flow propagating from the primary reconnection region. Such sources may be regions of secondary microreconnections occurring at electron kinetic scales. The observed electrostatic solitons, which serve as markers of “secondary magnetic separatrices,” along which electron beams accelerated to superthermal energies propagate, similar to solitons near primary reconnection separatrices have been studied in this work.