Nine outstanding questions of solar wind physics

NM Viall, JE Borovsky - Journal of Geophysical Research …, 2020 - Wiley Online Library
In situ measurements of the solar wind have been available for almost 60 years, and in that
time plasma physics simulation capabilities have commenced and ground‐based solar …

Plasmapause surface wave oscillates the magnetosphere and diffuse aurora

F He, RL Guo, WR Dunn, ZH Yao, HS Zhang… - Nature …, 2020 - nature.com
Energy circulation in geospace lies at the heart of space weather research. In the inner
magnetosphere, the steep plasmapause boundary separates the cold dense plasmasphere …

Magnetopause ripples going against the flow form azimuthally stationary surface waves

MO Archer, MD Hartinger, F Plaschke… - Nature …, 2021 - nature.com
Surface waves process the turbulent disturbances which drive dynamics in many space,
astrophysical and laboratory plasma systems, with the outer boundary of Earth's …

Investigating the role of magnetosheath high‐speed jets in triggering dayside ground magnetic ultra‐low frequency waves

B Wang, Y Nishimura, H Hietala… - Geophysical …, 2022 - Wiley Online Library
Ultra‐low frequency (ULF) waves significantly contribute to transferring energy and
transporting particles in the coupled magnetosphere‐ionosphere system. Recent studies …

Global propagation of magnetospheric Pc5 ULF waves driven by foreshock transients

B Wang, T Liu, Y Nishimura, H Zhang… - Journal of …, 2020 - Wiley Online Library
Abstract Pc5 (2–7 mHz) ultralow frequency (ULF) waves play a significant role in resonating
with particles and transferring energy in the coupled magnetospheric and ionospheric …

On differentiating multiple types of ULF magnetospheric waves in response to solar wind periodic density structures

S Di Matteo, U Villante, N Viall, L Kepko… - Journal of …, 2022 - Wiley Online Library
Identifying the nature and source of ultra‐low frequencies (ULF) waves (f⪅ 4 mHz) at
discrete frequencies in the Earth's magnetosphere is a complex task. The challenge comes …

Global‐scale ULF waves associated with SSC accelerate magnetospheric ultrarelativistic electrons

YX Hao, QG Zong, XZ Zhou, R Rankin… - Journal of …, 2019 - Wiley Online Library
We study electron behavior in the outer radiation belts during the 16 July 2017 storm sudden
commencement (SSC), in which prompt intensification of ultrarelativistic electron fluxes was …

Direct observations of a surface eigenmode of the dayside magnetopause

MO Archer, H Hietala, MD Hartinger, F Plaschke… - Nature …, 2019 - nature.com
The abrupt boundary between a magnetosphere and the surrounding plasma, the
magnetopause, has long been known to support surface waves. It was proposed that …

The electric field detector on board the China seismo electromagnetic satellite—in-orbit results and validation

P Diego, J Huang, M Piersanti, D Badoni, Z Zeren… - Instruments, 2020 - mdpi.com
The aim of this work is to validate the China Seismo-Electromagnetic Satellite 01 (CSES-01)
Electric Field Detector (EFD) measurements through the analysis of the instrument response …

Helios observations of quasiperiodic density structures in the slow solar wind at 0.3, 0.4, and 0.6 AU

S Di Matteo, NM Viall, L Kepko… - Journal of …, 2019 - Wiley Online Library
Following previous investigations of quasiperiodic plasma density structures in the solar
wind at 1 AU, we show using the Helios1 and Helios2 data their first identification in situ in …