Hot plasma effects on the cyclotron‐resonant pitch‐angle scattering rates of radiation belt electrons due to EMIC waves

B Ni, X Cao, YY Shprits, D Summers… - Geophysical …, 2018 - Wiley Online Library
To investigate the hot plasma effects on the cyclotron‐resonant interactions between
electromagnetic ion cyclotron (EMIC) waves and radiation belt electrons in a realistic …

Energetic electron precipitation: Multievent analysis of its spatial extent during EMIC wave activity

L Capannolo, W Li, Q Ma, XC Shen… - Journal of …, 2019 - Wiley Online Library
Electromagnetic ion cyclotron (EMIC) waves can drive precipitation of tens of keV protons
and relativistic electrons, and are a potential candidate for causing radiation belt flux …

Comparison of ring current proton losses between contributions from scattering by field line curvature and EMIC waves

X Cao, B Ni, Y Yu, L Ma, P Lu… - Journal of Geophysical …, 2023 - Wiley Online Library
Although both the field line curvature (FLC) and electromagnetic ion cyclotron (EMIC) waves
are recognized to contribute importantly to the loss of energetic protons in the Earth's ring …

Statistical evidence for EMIC wave excitation driven by substorm injection and enhanced solar wind pressure in the Earth's magnetosphere: Two different EMIC wave …

H Chen, X Gao, Q Lu, BT Tsurutani… - Geophysical Research …, 2020 - Wiley Online Library
Substorm injection and solar wind dynamic pressure have long been considered as two
main drivers of electromagnetic ion cyclotron (EMIC) wave excitation, but clear observational …

Resonant scattering of central plasma sheet protons by multiband EMIC waves and resultant proton loss timescales

X Cao, B Ni, J Liang, Z Xiang, Q Wang… - Journal of …, 2016 - Wiley Online Library
This is a companion study to Liang et al.(2014) which reported a “reversed” energy‐latitude
dispersion pattern of ion precipitation in that the lower energy ion precipitation extends to …

On the ion precipitation due to field line curvature (FLC) and EMIC wave scattering and their subsequent impact on ionospheric electrodynamics

M Zhu, Y Yu, X Tian, PR Shreedevi… - Journal of …, 2021 - Wiley Online Library
Both field line curvature (FLC) and electromagnetic ion cyclotron (EMIC) wave scattering are
believed to be associated with energetic ion precipitation, but their relative contributions to …

Sensitivity of EMIC wave‐driven scattering loss of ring current protons to wave normal angle distribution

X Cao, B Ni, D Summers, YY Shprits… - Geophysical …, 2019 - Wiley Online Library
Electromagnetic ion cyclotron waves have long been recognized to play a crucial role in the
dynamic loss of ring current protons. While the field‐aligned propagation approximation of …

Unusual high frequency EMIC waves: Detailed analysis of EMIC wave excitation and energy coupling between EMIC and magnetosonic waves

K Min, J Kim, Q Ma, CW Jun, K Liu - Advances in Space Research, 2022 - Elsevier
A recent event study suggested a coupling process whereby suprathermal protons (10–100
eV), as a result of perpendicular heating by pre-existing magnetosonic waves, can excite …

Prompt emergence and disappearance of EMIC waves driven by the sequentially enhanced solar wind dynamic pressure

Z Xue, Z Yuan, X Yu - Geophysical Research Letters, 2021 - Wiley Online Library
Abstract Van Allen Probes (VAPs) and multiple ground‐based stations simultaneously
observed prompt emergences and disappearances of electromagnetic ion cyclotron (EMIC) …

Correlated observations linking loss of energetic protons to EMIC waves

C Yang, ZQ Wang, FL Xiao, ZG He, YQ Xie… - Science China …, 2022 - Springer
Electromagnetic ion cyclotron (EMIC) emission is an efficient mechanism for scattering loss
of energetic protons. Here, we report an event that provides both in-situ observation of …