Heidelberg 2015 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 8: Poster: Photoionization

A 8.2: Poster

Montag, 23. März 2015, 17:00–19:00, C/Foyer

Calculation of Atomic properties by means of the MCDHF method — •Randolf Beerwerth1 and Stephan Fritzsche1,21Helmholtz-Institut Jena, 07743 Jena, Germany — 2Theoretisch-Physikalisches Institut, Universität Jena, 07743 Jena, Germany

The multi-configuration Dirac-Hartree-Fock (MCDHF) method can be applied to obtain numerical approximations of atomic multi-electron wave functions. The MCDHF method is based on the Dirac equation with added Breit-corrections, such that fully relativistic results are computed.

We use MCDHF wave-functions in order to analyze various atomic properties, such as transition rates, lifetimes and oscillator strengths. This can be done for optical transitions as well as auto ionization processes, including Auger and Coster-Kronig transitions. Detailed computations have been performed, for example, to explore and understand the electron spectra of multiply charged cadmium and to obtain further insight into the Auger cascades following inner-shell photoionization.

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