Precision spectroscopy and density-dependent frequency shifts in ultracold Sr

被引：76

作者：

Ido, T ^{[1
]}

Loftus, TH

Boyd, MM

Ludlow, AD

Holman, KW

Ye, J

机构：

[1] Natl Inst Stand & Technol, Joint Inst Lab Astrophys, Boulder, CO 80309 USA

[2] Univ Colorado, Boulder, CO 80309 USA

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.94.153001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By varying the density of an ultracold Sr-88 sample from 10(9) to > 10(12) cm(-3), we make the first definitive measurement of the density-related frequency shift and linewidth broadening of the S-1(0)-P-3(1) optical clock transition in an alkaline earth system. In addition, we report the most accurate measurement to date of the Sr-88 S-1(0)-P-3(1) optical clock transition frequency. Including a detailed analysis of systematic errors, the frequency is [434 829 121 312 334 +/- 20(stat) +/- 33(syst)] Hz.

引用

页数：4

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