Atomic kinetics calculations of complex highly-charged ions in plasmas in non-local thermodynamic equilibrium by using a Monte-Carlo approach
Abstract
A new calculation of atomic kinetics of multiple-charged tungsten ions in a high temperature plasma in the non-local thermodynamic equilibrium (nLTE) based on the Markov chain Monte-Carlo (MCMC) method is presented. It is shown that the fractional ion abundance and the resulting mean charge of the plasma can be calculated with much lower computational time compared to conventional methods. The present method can be easily parallelized and is applicable to larger problems, such as modeling coupled atomic processes and radiation hydrodynamics.
- Publication:
-
High Energy Density Physics
- Pub Date:
- July 2019
- DOI:
- 10.1016/j.hedp.2019.04.005
- Bibcode:
- 2019HEDP...32....1S
- Keywords:
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- Collisional radiative model;
- Atomic process;
- Highly charged ion