3 papers
physics.plasm-ph2026
Drive and damping govern resonant electron energy redistribution in a kinetic model informed by helium discharges
Zhao-Ju Bo, Lei Chang, Shi-Jie Zhang +8
Energetic electrons exchange energy with electrostatic waves in low-temperature plasmas, but wave amplitude alone does not determine the direction or cumulative effect of that exch…
physics.plasm-ph2025
Revealing the transient ionization dynamics and mode-coupling mechanisms of helicon discharge through a self-consistent multiphysics model
Jing-Jing Ma, Lei Chang, Ming-Yang Wu +6
Helicon plasma sources play a central role in applications ranging from material treatment to space propulsion and fusion, yet the physical processes governing their ignition, tran…
physics.plasm-ph2025
The bump-on-tail instability excited by energetic electrons in helicon plasma
Shi-Jie Zhang, Dong Jing, Lei Chang +10
This work explores for the first time bump-on-tail (BOT) instability excited by energetic electrons in helicon plasma. The Berk-Breizman model that developed for the wave-particle…