Weak turbulence and quasilinear diffusion for relativistic wave-particle interactions via a markov approach

O Allanson, T Elsden, C Watt… - Frontiers in Astronomy and …, 2022 - frontiersin.org
We derive weak turbulence and quasilinear models for relativistic charged particle dynamics
in pitch-angle and energy space, due to interactions with electromagnetic waves …

On the variability of EMIC waves and the consequences for the relativistic electron radiation belt population

JPJ Ross, SA Glauert, RB Horne… - Journal of …, 2021 - Wiley Online Library
The interactions between electromagnetic ion cyclotron (EMIC) waves and relativistic
electrons are influential in diffusing radiation belt electrons into the loss code from which the …

Ensemble modeling of radiation belt electron acceleration by chorus waves: Dependence on key input parameters

M Hua, J Bortnik, AC Kellerman, E Camporeale… - Space …, 2023 - Wiley Online Library
We perform ensemble simulations of radiation belt electron acceleration using the quasi‐
linear approach during the storm on 9 October 2012, where chorus waves dominated …

A new method of fluxgate magnetometer offset vector determination in the solar wind using any magnetic field variations

G Wang - The Astrophysical Journal, 2022 - iopscience.iop.org
In-depth study of dynamic processes in the astrophysical plasma environment relies on high-
precision measurement of the magnetic field. Fluxgate magnetometers (FGMs) are …

Machine learning methods applied to the global modeling of event-driven pitch angle diffusion coefficients during high speed streams

G Kluth, JF Ripoll, S Has, A Fischer, M Mougeot… - Frontiers in …, 2022 - frontiersin.org
Whistler-mode waves in the inner magnetosphere cause electron precipitation in the
atmosphere through the physical process of pitch-angle diffusion. The computation of pitch …

Determining the global scale size of chorus waves in the magnetosphere

S Zhang, IJ Rae, CEJ Watt, AW Degeling… - Journal of …, 2021 - Wiley Online Library
Chorus waves outside the plasmapause influence the Earth's radiation belt dynamics by
interacting with energetic electrons via cyclotron and Landau resonance. Recent numerical …

Quantifying the spatiotemporal evolution of radiation belt electrons scattered by lower band chorus waves: An integrated model

W Chen, S Fu, X Ma, B Ni, D Guo, Q Zhang… - Space …, 2024 - Wiley Online Library
Wave particle interactions are very important to understand the intricate evolution of the
Earth's radiation belt electrons. Kinetic simulations, in terms of solving the Fokker‐Planck …

Effects of plasma density on the spatial and temporal scale sizes of plasmaspheric hiss

S Zhang, IJ Rae, K Liu, CEJ Watt, Q Shi… - Journal of …, 2024 - Wiley Online Library
The effects of plasma density on the plasmaspheric hiss amplitude and its spatial and
temporal scale sizes are investigated using data from Van Allen Probes A and B. The …

Temporal variability of quasi-linear pitch-angle diffusion

CEJ Watt, HJ Allison, SN Bentley… - Frontiers in Astronomy …, 2022 - frontiersin.org
Kinetic wave-particle interactions in Earth's outer radiation belt energize and scatter high-
energy electrons, playing an important role in the dynamic variation of the extent and …

Determining the temporal and spatial coherence of plasmaspheric hiss waves in the magnetosphere

S Zhang, IJ Rae, CEJ Watt, AW Degeling… - Journal of …, 2021 - Wiley Online Library
Plasmaspheric hiss is one of the most important plasma waves in the Earth's
magnetosphere to contribute to radiation belt dynamics by pitch‐angle scattering energetic …