4 papers
One-loop self-energy using a numerical Green function
Hugo D. Nogueira, Maen Salman, Jean-Philippe Karr
We calculate the one-loop self-energy in hydrogenlike atoms using a numerical Green function obtained by solving the radial Dirac equation in an exponential basis set. The self-ene…
Photodetachment energy of negative hydrogen ions
Maen Salman, Jean-Philippe Karr
We report a high-precision calculation of the photodetachment energy of the hydrogen anion \mathrm{H}^{-}. The nonrelativistic bound-state energy is obtained using an exact three-b…
Wichmann-Kroll vacuum polarization density in a finite Gaussian basis set
Ryan Benazzouk, Maen Salman, Trond Saue
This work further develops the calculation of QED effects in a finite Gaussian basis. We focus on the non-linear contribution to the vacuum polarization density,…
Gaussian basis set approach to one-loop self-energy
Dávid Ferenc, Maen Salman, Trond Saue
We report a method for the evaluation of the one-loop self-energy, to all orders in the external binding field, using a Gaussian basis set expansion. This choice of basis is motiva…