Nonlinear ion-acoustic waves, ion holes, and electron holes in the near-sun solar wind

F. S. Mozer; J. W. Bonnell; E. L.M. Hanson; L. C. Gasque; I. Y. Vasko

doi:10.3847/1538-4357/abed52

Nonlinear ion-acoustic waves, ion holes, and electron holes in the near-sun solar wind

F. S. Mozer, J. W. Bonnell, E. L.M. Hanson, L. C. Gasque, I. Y. Vasko

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Nonlinear ion-acoustic waves, ion holes, and electron holes have been observed on the Parker Solar Probe at a heliocentric distance of 35 solar radii. These time domain structures contain millisecond duration electric field spikes of several mV m⁻¹. They are observed inside or at boundaries of switchbacks in the background magnetic field. Their presence in switchbacks indicates that both electron- and ion-streaming electrostatic instabilities occur there to thermalize electron and ion beams.

Original language	English (US)
Article number	89
Journal	Astrophysical Journal
Volume	911
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/abed52
State	Published - Apr 20 2021
Externally published	Yes

Bibliographical note

Funding Information:
This work was supported by NASA contract NASA-G-80NSSC19K1063. The authors acknowledge the extraordinary contributions of the Parker Solar Probe spacecraft engineering team at the Applied Physics Laboratory at Johns Hopkins University. Our sincere thanks to S. Bale, P. Harvey, K. Goetz, and M. Pulupa for managing the FIELDS science, the spacecraft commanding, and data processing. The work of I.V. was supported by NASA grant 80NSSC18K0646 and National Science Foundation grant No. 2026680. The data used in this paper are publicly available at http://fields.ssl.berkeley.edu/data.

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© 2021. The Author(s). Published by the American Astronomical Society.

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title = "Nonlinear ion-acoustic waves, ion holes, and electron holes in the near-sun solar wind",

abstract = "Nonlinear ion-acoustic waves, ion holes, and electron holes have been observed on the Parker Solar Probe at a heliocentric distance of 35 solar radii. These time domain structures contain millisecond duration electric field spikes of several mV m−1. They are observed inside or at boundaries of switchbacks in the background magnetic field. Their presence in switchbacks indicates that both electron- and ion-streaming electrostatic instabilities occur there to thermalize electron and ion beams.",

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AU - Hanson, E. L.M.

AU - Gasque, L. C.

AU - Vasko, I. Y.

N1 - Funding Information: This work was supported by NASA contract NASA-G-80NSSC19K1063. The authors acknowledge the extraordinary contributions of the Parker Solar Probe spacecraft engineering team at the Applied Physics Laboratory at Johns Hopkins University. Our sincere thanks to S. Bale, P. Harvey, K. Goetz, and M. Pulupa for managing the FIELDS science, the spacecraft commanding, and data processing. The work of I.V. was supported by NASA grant 80NSSC18K0646 and National Science Foundation grant No. 2026680. The data used in this paper are publicly available at http://fields.ssl.berkeley.edu/data. Publisher Copyright: © 2021. The Author(s). Published by the American Astronomical Society.

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N2 - Nonlinear ion-acoustic waves, ion holes, and electron holes have been observed on the Parker Solar Probe at a heliocentric distance of 35 solar radii. These time domain structures contain millisecond duration electric field spikes of several mV m−1. They are observed inside or at boundaries of switchbacks in the background magnetic field. Their presence in switchbacks indicates that both electron- and ion-streaming electrostatic instabilities occur there to thermalize electron and ion beams.

AB - Nonlinear ion-acoustic waves, ion holes, and electron holes have been observed on the Parker Solar Probe at a heliocentric distance of 35 solar radii. These time domain structures contain millisecond duration electric field spikes of several mV m−1. They are observed inside or at boundaries of switchbacks in the background magnetic field. Their presence in switchbacks indicates that both electron- and ion-streaming electrostatic instabilities occur there to thermalize electron and ion beams.

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Nonlinear ion-acoustic waves, ion holes, and electron holes in the near-sun solar wind

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