Abstract
The , and highly charged ions (HCIs) are proposed for making very accurate optical clocks with the fractional uncertainties below level. These HCIs have simple atomic energy levels, clock transitions with quality factors larger than , and optical magnetic-dipole transitions that can be used for laser cooling and detecting quantum jumps on the clock transitions by the shelving method. To demonstrate the projected fractional uncertainties, we estimate orders of magnitude of the Zeeman, Stark, blackbody radiation, and electric quadrupole shifts of the clock transitions by performing calculations of the relevant atomic properties in the above HCIs.
- Received 28 January 2018
DOI:https://doi.org/10.1103/PhysRevA.97.041403
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