Author: Jin, X.L.
Paper Title Page
WEXZO04
Numerical Simulations of Plasma Dynamics in ECRIS Afterglow  
 
  • L. Lei, X.L. Jin
    University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
  • J.B. Li
    IMP/CAS, Lanzhou, People’s Republic of China
 
  Plasma dynamics in the afterglow of ECRIS has been studied through the Particle-in-cell (PIC) simulations. A full 3D implicit electrostatic PIC code was developed to meet the needs of ECRIS simulations and to study the characteristics of the ECR plasma during the afterglow. The initial plasma parameters at the simulation start-up were assumed by referring to the experimental diagnostics of the ECRISs from IMP, Lanzhou. The dynamics of electrons and ions in the presence of the external magnetic field and at the absence of the microwave energy were simulated to study the mechanism of afterglow. Through the abundant diagnostics of the 3D PIC simulation, some ECR plasma features during afterglow including the plasma potential and electron energy distributions could be obtained and analyzed. The goal was to determine the important evolutions that contribute to the afterglow and thus to have a clearer understanding of ECRIS afterglow mode.  
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