Compensating for excess micromotion of ion crystals

doi:10.1088/1674-1056/24/8/083702

中国物理B ›› 2015, Vol. 24 ›› Issue (8): 83702-083702.doi: 10.1088/1674-1056/24/8/083702

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Compensating for excess micromotion of ion crystals

杜丽军^{a b c}, 陈婷^{a b c}, 宋红芳^{a b c}, 陈邵龙^{a b c}, 李海霞^{a b c}, 黄垚^{a b}, 童昕^{a b}, 管桦^{a b}, 高克林^{a b}

a State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physicsand Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
b Key Laboratory of Atomic Frequency Standards, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
c University of Chinese Academy of Sciences, Beijing 100049, China

收稿日期:2015-04-25 修回日期:2015-05-11 出版日期:2015-08-05 发布日期:2015-08-05
基金资助:
Project supported by the National Basic Research Program of China (Grant Nos. 2012CB821301 and 2010CB832803), the National Natural Science Foundation of China (Grant Nos. 11004222 and 91121016), and the Fund from Chinese Academy of Sciences.

Compensating for excess micromotion of ion crystals

Du Li-Jun (杜丽军)^{a b c}, Chen Ting (陈婷)^{a b c}, Song Hong-Fang (宋红芳)^{a b c}, Chen Shao-Long (陈邵龙)^{a b c}, Li Hai-Xia (李海霞)^{a b c}, Huang Yao (黄垚)^{a b}, Tong Xin (童昕)^{a b}, Guan Hua (管桦)^{a b}, Gao Ke-Lin (高克林)^{a b}

a State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physicsand Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
b Key Laboratory of Atomic Frequency Standards, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China;
c University of Chinese Academy of Sciences, Beijing 100049, China

Received:2015-04-25 Revised:2015-05-11 Online:2015-08-05 Published:2015-08-05
Contact: Guan Hua E-mail:guanhua@wipm.ac.cn
Supported by:
Project supported by the National Basic Research Program of China (Grant Nos. 2012CB821301 and 2010CB832803), the National Natural Science Foundation of China (Grant Nos. 11004222 and 91121016), and the Fund from Chinese Academy of Sciences.

摘要/Abstract

摘要： A new method of compensating for the excess micromotion along two directions in three-dimensional Coulomb crystals is reported in this paper; this method is based on shape control and optical imaging of a Coulomb crystal in a sectioned linear ion trap. The characteristic parameters, such as the ion numbers, temperatures, and geometric factors of different ion crystals are extracted from the images and secular motion excitation spectra. The method of controlling the shape of the ion crystals can be used in cold ion experiments, such as sympathetically cooling, structural phase transitions, and selective-control of ions, etc.

关键词: ion crystals, excess micromotion, secular motion exciting

Abstract: A new method of compensating for the excess micromotion along two directions in three-dimensional Coulomb crystals is reported in this paper; this method is based on shape control and optical imaging of a Coulomb crystal in a sectioned linear ion trap. The characteristic parameters, such as the ion numbers, temperatures, and geometric factors of different ion crystals are extracted from the images and secular motion excitation spectra. The method of controlling the shape of the ion crystals can be used in cold ion experiments, such as sympathetically cooling, structural phase transitions, and selective-control of ions, etc.

Key words: ion crystals, excess micromotion, secular motion exciting

中图分类号: (Ion trapping)

37.10.Ty

37.10.Rs (Ion cooling) 52.65.Yy (Molecular dynamics methods) 64.70.kp (Ionic crystals)

杜丽军, 陈婷, 宋红芳, 陈邵龙, 李海霞, 黄垚, 童昕, 管桦, 高克林. Compensating for excess micromotion of ion crystals[J]. 中国物理B, 2015, 24(8): 83702-083702.

Du Li-Jun (杜丽军), Chen Ting (陈婷), Song Hong-Fang (宋红芳), Chen Shao-Long (陈邵龙), Li Hai-Xia (李海霞), Huang Yao (黄垚), Tong Xin (童昕), Guan Hua (管桦), Gao Ke-Lin (高克林). Compensating for excess micromotion of ion crystals[J]. Chin. Phys. B, 2015, 24(8): 83702-083702.

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Compensating for excess micromotion of ion crystals

Compensating for excess micromotion of ion crystals

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