Theoretical calculations of hyperfine splitting,Zeeman shifts,and isotope shifts of 27Al+ and logical ions in Al+ clocks |
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Affiliation: | College of Liberal Arts and Sciences, National University of Defense Technology, Changsha 410073, China |
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Abstract: | Based on the multiconfiguration Dirac-Hartree-Fock (MCDHF) method, similar models are employed to simultaneously calculate the first-order and second-order Zeeman coefficients as well as the hyperfine interaction constants of the related energy levels of 27Al+ and its logical ions 9Be+ and 25Mg+ in the 27Al+ optical clock. With less than 0.34% deviations from experimental values in Zeeman coefficients of 27Al+, these calculated parameters will be of great help for better evaluation of the systematic uncertainty. We also calculate the isotope shift parameters of the related energy levels, which could extend our knowledge and understanding of nuclear properties of these ions. |
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Keywords: | Zeeman effect isotope shift aluminum ion optical clock MCDHF method |
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