activity
20172025
most citedRelativistic electron precipitation by EMIC waves: importance of nonlinear resonant effects

55 citations · 246 across the 15 of their papers we have counts for

collaborators

15 papers

physics.space-ph2025★ 1 cited

Chorus Wave Driven Electron Dynamics in the Van Allen Belts: From Coherence to Diffusion

Xin Tao, Zeyu An, Fulvio Zonca +2

The Van Allen radiation belts contain relativistic electrons trapped by Earth's magnetic field, posing serious risks to spacecraft. Chorus waves are known to accelerate these elect…

physics.space-ph2025

Excitation of whistler-mode waves by an electron temperature anisotropy in a laboratory plasma

Donglai Ma, Xin An, Jia Han +6

Naturally-occurring whistler-mode waves in near-Earth space play a crucial role in accelerating electrons to relativistic energies and scattering them in pitch angle, driving their…

physics.plasm-ph2025

Machine-learned trends in mirror configurations in the Large Plasma Device

Phil Travis, Jacob Bortnik, Troy Carter

This study demonstrates the efficacy of ML-based trend inference using data from the Large Plasma Device (LAPD). The LAPD is a flexible basic plasma science device with a high disc…

physics.space-ph2024

Night-Side Relativistic Electron Precipitation Bursts in the Outer Radiation Belt: Insights from ELFIN and THEMIS

Xi Lu, Xiao-Jia Zhang, Anton V. Artemyev +2

Electromagnetic whistler-mode waves play a crucial role in the acceleration and precipitation of radiation belt electrons. Statistical surveys of wave characteristics suggest that…

physics.space-ph2023★ 2 cited

Reimagining Heliophysics: A bold new vision for the next decade and beyond

Ian J. Cohen, Dan Baker, Jacob Bortnik +25

The field of Heliophysics has a branding problem. We need an answer to the question: ``What is Heliophysics\?'', the answer to which should clearly and succinctly defines our scien…

physics.plasm-ph2023

Nonlinear Landau resonant interaction between whistler waves and electrons: Excitation of electron acoustic waves

Donglai Ma, Xin An, Anton Artemyev +3

Electron acoustic waves (EAWs), as well as electron-acoustic solitary structures, play a crucial role in thermalization and acceleration of electron populations in Earth's magnetos…

physics.space-ph2023★ 25 cited

Nonresonant scattering of energetic electrons by electromagnetic ion cyclotron waves: spacecraft observations and theoretical framework

Xin An, Anton Artemyev, Vassilis Angelopoulos +4

Electromagnetic ion cyclotron (EMIC) waves lead to rapid scattering of relativistic electrons in Earth's radiation belts, due to their large amplitudes relative to other waves that…

physics.plasm-ph2022★ 52 cited

Nonresonant scattering of relativistic electrons by electromagnetic ion cyclotron waves in Earth's radiation belts

Xin An, Anton Artemyev, Vassilis Angelopoulos +3

Electromagnetic ion cyclotron waves are expected to pitch-angle scatter and cause atmospheric precipitation of relativistic ( MeV) electrons under typical conditions in Earth'…

physics.space-ph2022★ 55 cited

Relativistic electron precipitation by EMIC waves: importance of nonlinear resonant effects

Veronika S. Grach, Anton V. Artemyev, Andrei G. Demekhov +7

Relativistic electron losses in Earth's radiation belts are usually attributed to electron resonant scattering by electromagnetic waves. One of the most important wave mode for suc…

physics.space-ph2021

Machine-learning based discovery of missing physical processes in radiation belt modeling

Enrico Camporeale, George J. Wilkie, Alexander Drozdov +1

Real-time prediction of the dynamics of energetic electrons in Earth's radiation belts incorporating incomplete observation data is important to protect valuable artificial satelli…

physics.space-ph2020★ 18 cited

Nonlinear Landau resonant interaction between kinetic Alfvén waves and thermal electrons: Excitation of time domain structures

Xin An, Jacob Bortnik, Xiaojia Zhang

Phase space holes, double layers and other solitary electric field structures, referred to as time domain structures (TDSs), often occur around dipolarization fronts in the Earth's…

physics.space-ph2020★ 22 cited

Formation of foreshock transients and associated secondary shocks

Xin An, Terry Z. Liu, Jacob Bortnik +2

Upstream of shocks, the foreshock is filled with hot ions. When these ions are concentrated and thermalized around a discontinuity, a diamagnetic cavity bounded by compressional bo…

physics.plasm-ph2019★ 2 cited

Linear unstable whistler eigenmodes excited by a finite electron beam

Xin An, Jacob Bortnik, Bart Van Compernolle

Electron beam-generated whistler waves are widely found in the Earth's space plasma environment and are intricately involved in a number of phenomena. Here we study the linear grow…

physics.space-ph2019★ 39 cited

Unified view of nonlinear wave structures associated with whistler-mode chorus

Xin An, Jinxing Li, Jacob Bortnik +3

A range of nonlinear wave structures, including Langmuir waves, unipolar electric fields and bipolar electric fields, are often observed in association with whistler-mode chorus wa…

physics.plasm-ph2017★ 30 cited

Electrostatic and whistler instabilities excited by an electron beam

Xin An, Jacob Bortnik, Bart Van Compernolle +2

The electron beam-plasma system is ubiquitous in the space plasma environment. Here, using a Darwin particle-in-cell method, the excitation of electrostatic and whistler instabilit…