Dresden 2011 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 7: Poster I

A 7.4: Poster

Montag, 14. März 2011, 16:00–18:30, P1

Correlation function quantum Monte Carlo calculations for ground and excited states of many-electron atoms and ions in neutron star magnetic fields — •Sebastian Boblest, Dirk Meyer, and Günter Wunner — 1. Institut für Theoretische Physik, Universität Stuttgart

We apply the correlation function quantum Monte Carlo method to the calculation of atomic data of medium-heavy atoms and ions in neutron star magnetic fields. This method allows for the calculation of both ground and excited states, as well as transition rates.

We use basis sets which account for the growing dominance of the cylindrical symmetry as the magnetic field is increased. These basis sets are computed using the Hartree-Fock-Roothaan method.

The atomic data obtained in these calculations are of relevance to the analysis of features discovered in the thermal emission spectra of isolated neutron stars.