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5 papers · 2 filters
Breit interaction correction to the hyperfine constant of an external s-electron in many-electron atom
O. P. Sushkov
Correction to the hyperfine constant of an external s-electron in many-electron atom caused by the Breit interaction is calculated analytically: . Physical mec…
Comment on "Degenerate Wannier Theory for Multiple Ionization"
M. Yu. Kuchiev, V. N. Ostrovsky
Recent Letter of T.Pattard and J.M.Rost (Phys.Rev.Lett 80, 5081 (1998)) suggests that there exist logarithmic corrections to the near threshold cross section for the processes of b…
Effective ATI Channels in High Harmonic Generation
M. Yu. Kuchiev, V. N. Ostrovsky
Harmonic generation by an atom in a laser field is described by the three-step mechanism as proceeding via above-threshold ionization (ATI) followed by the electron propagation in…
Off-Diagonal Hyperfine Interaction and Parity Non-conservation in Cesium
V. A. Dzuba, V. V. Flambaum
We have performed relativistic many-body calculations of the hyperfine interaction in the and states of Cs, including the off-diagonal matrix element. The calculations we…
Calculation of positron binding to silver and gold atoms
V. A. Dzuba, V. V. Flambaum, C. Harabati
Positron binding to silver and gold atoms was studied using a fully {\it ab initio} relativistic method, which combines the configuration interaction method with many-body perturba…