Magic wavelength of the 138Ba+ 6s 2S1/2-5d 2D5/2 clock transition

被引：7

作者：

Chanu, S. R. ^{[1
]}

Koh, V. P. W. ^{[2
]}

Arnold, K. J. ^{[1
]}

Kaewuam, R. ^{[1
]}

Tan, T. R. ^{[1
,2
]}

Zhang, Zhiqiang ^{[1
]}

Safronova, M. S. ^{[3
,4
,5
]}

Barrett, M. D. ^{[1
,2
]}

机构：

[1] Natl Univ Singapore, Ctr Quantum Technol, 3 Sci Dr 2, Singapore 117543, Singapore

[2] Natl Univ Singapore, Dept Phys, 2 Sci Dr 3, Singapore 117551, Singapore

[3] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA

[4] NIST, Joint Quantum Inst, College Pk, MD 20742 USA

[5] Univ Maryland, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW A | 2020年 / 101卷 / 04期

基金：

新加坡国家研究基金会;

关键词：

G(J);

D O I：

10.1103/PhysRevA.101.042507

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The zero crossing of the dynamic differential scalar polarizability of the S-1/2 - D-5/2 clock transition in Ba-138(+) has been determined to be 459.1614(28) THz. Together with previously determined matrix elements and branching ratios, this tightly constrains the dynamic differential scalar polarizability of the clock transition over a large wavelength range (greater than or similar to 700 nm). In particular, it allows an estimate of the blackbody radiation shift of the clock transition at room temperature.

引用

页数：4

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