Effects of an Oscillating Electric Field on and Dipole Moment Measurement of a Single Molecular Ion

被引：9

作者：

Collopy, Alejandra L. ^{[1
]}

Schmidt, Julian ^{[2
,3
]}

Leibfried, Dietrich ^{[2
,3
]}

Leibrandt, David R. ^{[2
,3
]}

Chou, Chin-Wen ^{[2
,3
]}

机构：

[1] Natl Inst Stand & Technol, Boulder, CO 80305 USA

[2] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[3] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

来源：

PHYSICAL REVIEW LETTERS | 2023年 / 130卷 / 22期

关键词：

PURE QUANTUM STATES; SPECTROSCOPY; MANIPULATION;

D O I：

10.1103/PhysRevLett.130.223201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We characterize and model the Stark effect due to the radio-frequency (rf) electric field experienced by a molecular ion in an rf Paul trap, a leading systematic in the uncertainty of the field-free rotational transition. The ion is deliberately displaced to sample different known rf electric fields and measure the resultant shifts in transition frequencies. With this method, we determine the permanent electric dipole moment of CaH+, and find close agreement with theory. The characterization is performed by using a frequency comb which probes rotational transitions in the molecular ion. With improved coherence of the comb laser, a fractional statistical uncertainty for a transition line center of as low as 4.6 x 10-13 was achieved.

引用

页数：6

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