Relativistic coupled-cluster analysis of the second-order effects on the hyperfine structure in 133Cs

被引：2

作者：

Li, Fei-Chen ^{[1
,2
]}

Tang, Yong -Bo ^{[1
]}

机构：

[1] Shenzhen Technol Univ, Phys Teaching & Expt Ctr, Shenzhen 518118, Peoples R China

[2] Henan Univ Technol, Dept Phys, Zhengzhou 450001, Peoples R China

来源：

PHYSICAL REVIEW A | 2023年 / 107卷 / 05期

基金：

中国国家自然科学基金;

关键词：

2-PHOTON SPECTROSCOPY; TRANSITION; FREQUENCY; CS-133; STATE; PRECISION; CONSTANTS; LINE;

D O I：

10.1103/PhysRevA.107.052807

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using the single and double approximated relativistic coupled-cluster method, we calculate the first-order hyperfine structure constants for the 6p3/2, 8p3/2, 6d3/2, 7d3/2, and 7d5/2 states in 133Cs, and also evaluate the second-order magnetic dipole-magnetic dipole, magnetic dipole-electric quadrupole effects caused by the off-diagonal hyperfine interaction. With these calculations, we reanalyze some recent high-precision experi-mental measurements of the hyperfine splitting intervals of 133Cs. We find that the second-order magnetic dipole-magnetic dipole effects are especially sizable at the order of kHz in the B constant for the d3/2,5/2 states. Our calculations can provide a reference for future higher precision experimental measurements.

引用

页数：8

共 55 条

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