Phase decoherence within intense chorus wave packets constrains the efficiency of nonlinear resonant electron acceleration

XJ Zhang, O Agapitov, AV Artemyev… - Geophysical …, 2020 - Wiley Online Library
Electron resonant interaction with whistler mode waves is traditionally considered as one of
the main drivers of radiation belt dynamics. The two main theoretical concepts available for …

Relativistic electron precipitation driven by nonlinear resonance with whistler‐mode waves

E Tsai, A Artemyev, XJ Zhang… - Journal of Geophysical …, 2022 - Wiley Online Library
Electron losses from the outer radiation belt are typically attributed to resonant electron
scattering by whistler‐mode waves. Although the quasi‐linear diffusive regime of such …

On the incorporation of nonlinear resonant wave‐particle interactions into radiation belt models

AV Artemyev, D Mourenas, XJ Zhang… - Journal of …, 2022 - Wiley Online Library
Wave‐particle resonant interaction is a key process controlling energetic electron flux
dynamics in the Earth's radiation belts. All existing radiation belt codes are Fokker‐Planck …

On the nature of intense sub‐relativistic electron precipitation

AV Artemyev, XJ Zhang, Y Zou… - Journal of …, 2022 - Wiley Online Library
Energetic electron precipitation into Earth's atmosphere is an important process for radiation
belt dynamics and magnetosphere‐ionosphere coupling. The most intense form of such …

Evidence of small scale plasma irregularity effects on whistler mode chorus propagation

P Hosseini, O Agapitov, V Harid… - Geophysical Research …, 2021 - Wiley Online Library
The impact of randomly distributed field‐aligned density irregularities on whistler‐mode
wave propagation is investigated using full‐wave simulations and multipoint spacecraft …

[HTML][HTML] 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 …

Electron diffusion and advection during nonlinear interactions with whistler‐mode waves

O Allanson, CEJ Watt, HJ Allison… - Journal of Geophysical …, 2021 - Wiley Online Library
Radiation belt codes evolve electron dynamics due to resonant wave‐particle interactions. It
is not known how to best incorporate electron dynamics in the case of a wave power …

Upper limit on outer radiation belt electron flux based on dynamical equilibrium

D Mourenas, AV Artemyev, XJ Zhang… - Journal of …, 2023 - Wiley Online Library
In the Earth's radiation belts, an upper limit on the electron flux is expected to be imposed by
the Kennel‐Petschek mechanism, through the generation of exponentially more intense …

Dependence of nonlinear effects on whistler‐mode wave bandwidth and amplitude: A perspective from diffusion coefficients

L Gan, W Li, Q Ma, AV Artemyev… - Journal of Geophysical …, 2022 - Wiley Online Library
The electron resonant interaction with whistler‐mode waves is characterized by transport in
pitch angle–energy space. We calculate electron diffusion and advection coefficients (a …

Diffusive scattering of energetic electrons by intense whistler-mode waves in an inhomogeneous plasma

VA Frantsuzov, AV Artemyev, XJ Zhang… - Journal of Plasma …, 2023 - cambridge.org
Electron resonant interactions with electromagnetic whistler-mode waves play an important
role in electron flux dynamics in various space plasma systems: planetary radiation belts …