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physics.atom-ph2023★ 4 cited

Shift of nuclear clock transition frequency in Th ions due to hyperfine interaction

V. A. Dzuba, V. V. Flambaum

We calculate hyperfine structure of Th and its ions (Th~IV, Th~III, Th~II, Th~I) to reveal the dependence of the nuclear clock frequency on the hyperfine interaction (hfi).…

physics.atom-ph2023★ 5 cited

The Os and Ir ions as candidates for accurate optical clock sensitive to physics beyond standard model

V. A. Dzuba, V. V. Flambaum

We perform detailed calculations of the electronic structure of the Os ion and demonstrate that it has several metastable states which can be used for very accurate optical…

physics.atom-ph2023★ 18 cited

Effects of electrons on nuclear clock transition frequency in Th ions

V. A. Dzuba, V. V. Flambaum

We perform calculations of the energy shift of the nuclear clock transition frequency Th as a function of the number of electrons in Th ion. We demonstrate that the depende…

physics.atom-ph2023★ 1 cited

Absolute frequency measurements on the PD transition in strontium

S. Zhang, B. T. Tiwari, S. Ganesh +2

We report the first absolute frequency measurements for the PD transition at 394 nm for all the stable strontium isotopes by utilizing repumping in…

physics.atom-ph2023★ 2 cited

Calculation of hyperfine structure of erbium and fermium

V. A. Dzuba, V. V. Flambaum

A version of the configuration interaction method, which has been recently developed to deal with large number of valence electrons, has been used to calculate magnetic dipole and…

physics.atom-ph2023★ 7 cited

Effective electric field: quantifying the sensitivity of searches for new P,T-odd physics with EuCl6HO

Alexander O. Sushkov, Oleg P. Sushkov, Alexander Yaresko

Laboratory-scale precision experiments are a promising approach to searching for physics beyond the standard model. Non-centrosymmetric solids offer favorable statistical sensitivi…

physics.atom-ph2023★ 1 cited

Prospects for optical clocks combining high sensitivity to new physics with insensitivity to perturbations; the case of Sb, Au, and Hg

Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum

Our study is motivated by the prospect of several metastable states in the Sb, Au, and Hg ions being used as possible candidates for optical clocks. We cal…

physics.atom-ph2023★ 4 cited

Calculation of the hyperfine structure of Dy, Ho, Cf, and Es

Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum

A recently developed version of the configuration interaction (CI) method for open shells with a large number of valence electrons has been used to study two heavy atoms, californi…