Evaluation of the systematic shifts of a ${}^{40}{\text{Ca}}^{+}-{}^{27}{\text{Al}}^{+}$ optical clock

Kaifeng Cui, Sijia Chao, Chenglong Sun +7

Quantum-logic-based ${}^{27}{\text{Al}}^{+}$ optical clock has been demonstrated in several schemes as there are different choices of the auxiliary ion species. In this paper, we pre…