Ion Reflection by a Rippled Perpendicular Shock

Khotyaintsev, Yuri V.; Graham, Daniel B.; Johlander, Andreas

doi:10.1103/physrevlett.133.215201

Phys. Rev. Lett.

2024

DOI: 10.1103/physrevlett.133.215201

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Ion Reflection by a Rippled Perpendicular Shock

Yuri V. Khotyaintsev,

Daniel B. Graham,

Andreas Johlander

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2024

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Cited by 1 publication

References 26 publications

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Bow Shock Ripples and Their Modulation of Whistler Wave Packets: MMS Observations

Li,

Zhou,

Wang

et al. 2024

Geophysical Research Letters

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The terrestrial bow shock is the boundary where supersonic solar wind slows down abruptly near the magnetopause. The shock front geometry could be modulated by surface waves to form rippled structures, which impact the acceleration process of the solar wind particles. However, the rippled structures are hard to be identified unambiguously due to the similar signatures in single‐spacecraft observations between rippled shocks and reforming shocks. Here, we utilize the four‐spacecraft observations from the MMS mission to investigate an event of quasi‐perpendicular bow shock crossing. The periodic oscillations of shock normal directions and normal velocities support the scenario of surface wave propagation in the tangential direction. We also reconstruct the shock profile along the normal direction, and its monotonic shape further excludes the occurrence of shock reformation. These ripples are found to modulate the reflected ions and whistler wave packets, which adds to the complexity of the bow shock plasma environments.

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Bow Shock Ripples and Their Modulation of Whistler Wave Packets: MMS Observations

Li,

Zhou,

Wang

et al. 2024

Geophysical Research Letters

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Ion Reflection by a Rippled Perpendicular Shock

Cited by 1 publication

References 26 publications

Bow Shock Ripples and Their Modulation of Whistler Wave Packets: MMS Observations

Bow Shock Ripples and Their Modulation of Whistler Wave Packets: MMS Observations

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