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Effect of Laser Cooling on Frequency Standard of Single Ca^+ Ion Trapped in a Radio-Frequency Paul Trap
引用本文:吴礼金,史庭云,高克林.Effect of Laser Cooling on Frequency Standard of Single Ca^+ Ion Trapped in a Radio-Frequency Paul Trap[J].中国物理快报,2006,23(1):83-86.
作者姓名:吴礼金  史庭云  高克林
作者单位:Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071
基金项目:Supported by the National Natural Science Foundation of China under Grant Nos 10274094 and 60490280, and the National Fundamental Research Programme of China under Grant No 2005CB724502.
摘    要:The source of systematic frequency shift of single-ion optical frequency standard of^40 Ca^+ ion trapped in endcap trap and laser-cooled to a few of mK is analysed and calculated. Second-order Doppler shift, Stark shift due to micromotion and thermal motion, blackbody Stark shift and ac Stark shift are calculated for the ground state and excited 3d ^2D5/2 state. The Hertz-level measurement of the optical clock frequency in a single ^40Ca^+ ion can be performed.

关 键 词:激光冷却  频率标准  钙离子俘获  发射频率  原子物理学
收稿时间:2005-09-30
修稿时间:2005-09-30
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