An optimized ion trap geometry to measure quadrupole shifts of 171Yb+ clocks

doi:10.1088/1674-1056/25/11/113703

中国物理B ›› 2016, Vol. 25 ›› Issue (11): 113703-113703.doi: 10.1088/1674-1056/25/11/113703

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

An optimized ion trap geometry to measure quadrupole shifts of ¹⁷¹Yb+ clocks

N Batra, B K Sahoo, S De

1 Academy of Scientific and Innovative Research, CSIR-NPL Campus, New Delhi, India;
2 CSIR-National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi 110012, India;
3 Theoretical Physics Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380009, India

收稿日期:2016-06-20 修回日期:2016-06-20 出版日期:2016-11-05 发布日期:2016-11-05
通讯作者: S De E-mail:subhadeep@mail.nplindia.org

An optimized ion trap geometry to measure quadrupole shifts of ¹⁷¹Yb+ clocks

N Batra^1,2, B K Sahoo³, S De^1,2

1 Academy of Scientific and Innovative Research, CSIR-NPL Campus, New Delhi, India;
2 CSIR-National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi 110012, India;
3 Theoretical Physics Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380009, India

Received:2016-06-20 Revised:2016-06-20 Online:2016-11-05 Published:2016-11-05
Contact: S De E-mail:subhadeep@mail.nplindia.org

摘要/Abstract

摘要：

We propose a new ion-trap geometry to carry out accurate measurements of the quadrupole shifts in the ¹⁷¹Yb ion. This trap will minimize the quadrupole shift due to the harmonic component of the confining potential by an order of magnitude. This will be useful to reduce the uncertainties in the clock frequency measurements of the 6s ²S_1/2→4f¹³6s² ²F_7/2 and 6s ²S_1/2→5d ²D_3/2 transitions, from which we can deduce the precise values of the quadrupole moments (Θs) of the 4f¹³6s² ²F_7/2 and 5d ²D_3/2 states. Moreover, it may be able to affirm the validity of the measured Θ value of the 4f¹³6s² ²F_7/2 state, for which three independent theoretical studies defer almost by one order of magnitude from the measurement. We also calculate Θs using the relativistic coupled-cluster (RCC) method. We use these Θ values to estimate the quadrupole shift that can be measured in our proposed ion trap experiment.

关键词: ion-trap, frequency metrology, atomic clock, systematic uncertainties

Abstract:

Key words: ion-trap, frequency metrology, atomic clock, systematic uncertainties

中图分类号: (Ion trapping)

37.10.Ty

32.60.+i (Zeeman and Stark effects)

N Batra, B K Sahoo, S De. An optimized ion trap geometry to measure quadrupole shifts of ¹⁷¹Yb+ clocks[J]. 中国物理B, 2016, 25(11): 113703-113703.

N Batra, B K Sahoo, S De. An optimized ion trap geometry to measure quadrupole shifts of ¹⁷¹Yb+ clocks[J]. Chin. Phys. B, 2016, 25(11): 113703-113703.

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An optimized ion trap geometry to measure quadrupole shifts of ¹⁷¹Yb+ clocks

An optimized ion trap geometry to measure quadrupole shifts of ¹⁷¹Yb+ clocks

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