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Combining configuration interaction with perturbation theory for atoms with large number of valence electrons
V. A. Dzuba, J. Berengut, C. Harabati +1
A version of the configuration interaction (CI) method is developed which treats highly excited many-electron basis states perturbatively, so that their inclusion does not affect t…
Electron structure of superheavy elements Uut, Fl and Uup (=113 to 115)
V. A. Dzuba, V. V. Flambaum
We use recently developed method of accurate atomic calculations which combines linearized single-double coupled cluster method with the configuration interaction technique to calc…
All-order calculations of the spectra of superheavy elements E113 and E114
T. H. Dinh, V. A. Dzuba
We apply a recently developed method (V. A. Dzuba, PRA 90, 012517 (2014); J. S. M. Ginges and V. A. Dzuba, PRA 91, 042505 (2015)) to calculate energy levels of superheavy elements…
Limits on gravitational Einstein Equivalence Principle violation from monitoring atomic clock frequencies during a year
V. A. Dzuba, V. V. Flambaum
Sun's gravitation potential at earth varies during a year due to varying Earth-Sun distance. Comparing the results of very accurate measurements of atomic clock transitions perform…
Electron recombination with tungsten ions with open f-shells
C. Harabati, J. C. Berengut, V. V. Flambaum +1
We calculate the electron recombination rates with target ions W, -- , as functions of electron energy and electron temperature (i.e. the rates integrated over…
Dark matter scattering on electrons: Accurate calculations of atomic excitations and implications for the DAMA signal
B. M. Roberts, V. A. Dzuba, V. V. Flambaum +2
We revisit the WIMP-type dark matter scattering on electrons that results in atomic ionization, and can manifest itself in a variety of existing direct-detection experiments. Unlik…