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

页码：538 / 548

页数：11

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