Browsing Articles by Subject "beryllium atom"

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Calculations of low-lying 1P states of the beryllium atom

Bubin, Sergiy; Adamowicz, Ludwik (2009)

High-accuracy nonrelativistic variational calculations employing explicitly correlated Gaussian basis functions have been performed to determine the energies and the expectation values of some operators for the lowest four ...
Five lowest 1S states of the Be atom calculated with a finite-nuclear-mass approach and with relativistic and QED corrections

Stanke, Monika; Komasa, Jacek; Bubin, Sergiy; Adamowicz, Ludwik (2009)

We have performed very accurate quantum mechanical calculations of the five lowest S states of the beryllium atom. In the nonrelativistic part of the calculations we used the variational method and we explicitly included ...