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Absolute frequency measurement of the 87Sr optical lattice clock at NTSC using International Atomic Time
Xiaotong Lu, Feng Guo, Yebing Wang +5
We report the absolute frequency measurement of the 5s2 1S0-5s5p 3P0 transition in 87Sr optical lattice clock (Sr1) at National Time Service Center (NTSC). Its systematic frequency…
Degenerate Rabi spectroscopy of the Floquet engineered optical lattice clock
Wei-Xin Liu, Xiao-Tong Lu, Ting Li +4
Simulating physics with large SU(N) symmetry is one of the unique advantages of Alkaline-earth atoms.Introducing periodical driving modes to the system may provide more rich SU(N)…
Ab initio calculations of the hyperfine structure of 109Cd, 109Cd+ and reevaluation of the nuclear quadrupole moment Q(109Cd)
Benquan Lu, Xiaotong Lu, Tao Wang +1
Large scale ab initio calculations of the electric contribution (i.e. the electric field gradient) to the electric quadrupole hyperfine interaction constants for the $5p~^2P_{3…
Theoretical Calculation of the Quadratic Zeeman Shift Coefficient of the 3P0 clock state for Strontium Optical Lattice Clock
Benquan Lu, Xiaotong Lu, Jiguang Li +1
The quadratic Zeeman shift coefficient of 3P0 clock state for strontium is determined in theory and experiment. In theory, we derived the expression of the quadratic Zeeman shift o…