Isotope Shift Calculations for Ni$^{12+}$ Optical Clocks
Published:Dec 28, 2025 09:23
•1 min read
•ArXiv
Analysis
This paper provides crucial atomic structure data for high-precision isotope shift spectroscopy in Ni$^{12+}$, a promising candidate for highly charged ion optical clocks. The accurate calculations of excitation energies and isotope shifts, with quantified uncertainties, are essential for the development and validation of these clocks. The study's focus on electron-correlation effects and the validation against experimental data strengthens the reliability of the results.
Key Takeaways
- •Presents accurate calculations of excitation energies and isotope shifts for Ni$^{12+}$.
- •Provides essential atomic structure input for high-precision isotope shift spectroscopy.
- •Quantifies uncertainties in the calculations, demonstrating high precision.
- •Focuses on electron-correlation effects for accurate results.
Reference
“The computed energies for the first two excited states deviate from experimental values by less than $10~\mathrm{cm^{-1}}$, with relative uncertainties estimated below $0.2\%$.”