Second-order effects on the hyperfine structure of P states of alkali-metal atoms

被引：15

作者：

Beloy, K. ^{[1
]}

Derevianko, A. ^{[1
]}

机构：

[1] Univ Nevada, Dept Phys, Reno, NV 89557 USA

来源：

PHYSICAL REVIEW A | 2008年 / 78卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.78.032519

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We analyze second-order M1-M1 and M1-E2 effects on the hyperfine structure (HFS) of the lowest-energy P states of alkali-metal atoms arising from the coupling of the two (J = 1/2, 3/2) fine-structure levels through the hyperfine interaction. We find these effects to be especially sizable in Li, leading to a 9 sigma correction to the most accurate reported experimental value of the A(P-1/2) HFS constant of 7Li [Das and Natarajan, J. Phys. B 41, 035001 (2008)]. For the remaining alkali-metal systems, the results tabulated within may be referenced as higher precision is sought in experimental determination of the HFS constants.

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页数：7

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