Magnetic trap for thulium atoms

被引：4

作者：

Sukachev, D. D. ^{[1
,2
]}

Sokolov, A. V. ^{[1
,2
]}

Chebakov, K. A. ^{[1
]}

Akimov, A. V. ^{[1
]}

Kolachevskii, N. N. ^{[1
,2
]}

Sorokin, V. N. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia

[2] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia

来源：

QUANTUM ELECTRONICS | 2011年 / 41卷 / 08期

基金：

俄罗斯基础研究基金会;

关键词：

laser cooling of atoms; magnetic interaction; thulium atom; magnetic quadrupole trap; OPTICAL MOLASSES; NEUTRAL ATOMS; MOLECULES; PHYSICS; CLOCK; FIELD;

D O I：

10.1070/QE2011v041n08ABEH014663

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For the first time ultra-cold thulium atoms were trapped in a magnetic quadrupole trap with a small field gradient (20 Gs cm(-1)). The atoms were loaded from a cloud containing 4 x 10(5) atoms that were preliminarily cooled in a magneto-optical trap to the sub-Doppler temperature of 80 mu K. As many as 4 x 10(4) atoms were trapped in the magnetic trap at the temperature of 40 mu K. By the character of trap population decay the lifetime of atoms was determined (0.5 s) and an upper estimate was obtained for the rate constant of inelastic binary collisions for spin-polarised thulium atoms in the ground state (g(in) < 10(-11) cm(3) s(-1))

引用

页码：765 / 768

页数：4

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