55 citations · 248 across the 10 of their papers we have counts for
10 papers
Precision determination of isotope shifts in ytterbium and implications for new physics
N. L. Figueroa, J. C. Berengut, V. A. Dzuba +3
We report measurements of isotope shifts for the five spinless Yb isotopes on the transition using Doppler-free two-photon s…
Optical spectroscopy of complex open 4-shell ions Sn-Sn
F. Torretti, A. Windberger, A. Ryabtsev +8
We analyze the complex level structure of ions with many-valence-electron open [Kr] 4 sub-shells (=7-4) with ab initio calculations based on configuration…
Level-resolved quantum statistical theory of electron capture into many-electron compound resonances in highly charged ions
J. C. Berengut, C. Harabati, V. A. Dzuba +2
The strong mixing of many-electron basis states in excited atoms and ions with open shells results in very large numbers of complex, chaotic eigenstates that cannot be computed…
QED radiative corrections and many-body effects in atoms: vacuum polarization and binding energy shifts in alkali metals
J. S. M. Ginges, J. C. Berengut
We calculate vacuum polarization corrections to the binding energies in neutral alkali atoms Na through to the superheavy element E119. We employ the relativistic Hartree-Fock meth…
Do the constants of nature couple to strong gravitational fields?
S. P. Preval, M. A. Barstow, J. B. Holberg +5
Recently, white dwarf stars have found a new use in the fundamental physics community. Many prospective theories of the fundamental interactions of Nature allow traditional constan…
Laboratory atomic transition data for precise optical quasar absorption spectroscopy
Michael T. Murphy, Julian C. Berengut
Quasar spectra reveal a rich array of important astrophysical information about galaxies which intersect the quasar line of sight. They also enable tests of the variability of fund…