Sympathetic cooling in two-species ion crystals in a Penning trap

被引：8
|
作者：
Schmidt, S. [1 ,2 ]
Murbock, T. [3 ]
Andelkovic, Z. [4 ]
Birkl, G. [3 ]
Konig, K. [1 ]
Nortershauser, W. [1 ]
Thompson, R. C. [5 ]
Vogel, M. [4 ,6 ]
机构：
[1] Tech Univ Darmstadt, Inst Kernphys, Darmstadt, Germany
[2] Johannes Gutenberg Univ Mainz, Inst Kernchem, Mainz, Germany
[3] Tech Univ Darmstadt, Inst Angew Phys, Darmstadt, Germany
[4] GSI Helmholtzzentrum Schwerionenforsch, Darmstadt, Germany
[5] Imperial Coll London, Dept Phys, London, England
[6] Helmholtz Inst Jena, Jena, Germany
来源：
JOURNAL OF MODERN OPTICS | 2018年 / 65卷 / 5-6期
基金：
英国工程与自然科学研究理事会;
关键词：
Laser cooling; Penning trap; ion Coulomb crystal; laser spectroscopy; HIGHLY-CHARGED IONS; QUADRUPOLE STORAGE-RING; LASER-COOLED IONS; PLASMAS; HITRAP; GSI;
D O I：
10.1080/09500340.2017.1342877
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have studied the formation and properties of two-species ion Coulomb crystals in the Penning trap of the SpecTrap experiment. These crystals have been formed by injection of admixture ions from an external source into a previously confined and laser-cooled cloud of magnesium ions. This kind of study, performed over a range of the admixture ions' charge-to-mass ratios, indicates the conditions for their sympathetic cooling and the formation of two-species ion crystals. This mechanism allows efficient cooling of the admixed species such as highly charged ions which do not feature suitable laser-cooling transitions, and thus make them accessible to high-resolution laser spectroscopy.
引用
收藏
页码：538 / 548
页数：11
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