Bonn 2025 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 37: Poster – Highly Charged Ions and their Applications

A 37.11: Poster

Donnerstag, 13. März 2025, 17:00–19:00, Tent

Atomic computations for plasma and astro physics — •Stephan Fritzsche — Helmholtz-Institut Jena, Germany — Friedrich-Schiller University Jena

JAC [1], the Jena Atomic Calculator, has been developed for performing (relativistic) atomic structure calculations of different kind and complexity. In particular, this code has been designed and worked out to compute atomic processes and (plasma) rate coefficients, including photo ionization and recombination, electron-impact processes and several others. JAC automatically generates self-consistent fields and, hence, is suitable also for mass production of atomic data as they are frequently needed in plasma and astro physics. Moreover, we currently implement Saha-Boltzmann schemes to model equation-of-states under different plasma conditions.

[1] S. Fritzsche, Comp. Phys. Commun. 240 (2019) 1. [2] S. Fritzsche, P. Palmeri and S. Schippers, Atomic cascade computations. Symmetry (Basel) 13, 520 (2021).

Keywords: Atomic level; astro & plasma physics; plasma rate coefficients; Dirac equation; Saha-Boltzmann