Magnetic blackbody shift of hyperfine transitions for atomic clocks

被引：1

作者：

Berengut, J. C. ^{[1
]}

Flambaum, V. V. ^{[1
]}

King-Lacroix, J. ^{[1
]}

机构：

[1] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia

来源：

PHYSICAL REVIEW A | 2009年 / 80卷 / 06期

关键词：

Atomic clocks;

D O I：

10.1103/PhysRevA.80.064101

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We derive an expression for the magnetic blackbody shift of hyperfine transitions such as the cesium primary reference transition which defines the second. The shift is found to be a complicated function of temperature, and has a T-2 dependence only in the high-temperature limit. We also calculate the shift of ground-state p(1/2) hyperfine transitions which have been proposed as new atomic clock transitions. In this case interaction with the p(3/2) fine-structure multiplet may be the dominant effect.

引用

页数：3

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