Dipolar relaxation in an ultra-cold gas of magnetically trapped chromium atoms

被引：86
作者：
Hensler, S
Werner, J
Griesmaier, A
Schmidt, PO
Görlitz, A
Pfau, T
Giovanazzi, S
Rzazewski, K
机构：
[1] Univ Stuttgart, Phys Inst 5, D-70550 Stuttgart, Germany
[2] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland
[3] Polish Acad Sci, Ctr Theoret Phys, PL-02668 Warsaw, Poland
[4] Polish Acad Sci, Coll Sci, PL-02668 Warsaw, Poland
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2003年 / 77卷 / 08期
关键词：
D O I：
10.1007/s00340-003-1334-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate, both theoretically and experimentally, dipolar relaxation in a gas of magnetically trapped chromium atoms. We find that the large magnetic moment of 6 mu(B) results in an event rate coefficient for dipolar relaxation processes of up to 3.2x10(-11) cm(3) s(-1) in a magnetic field of 44 G. We present a theoretical model based on pure dipolar coupling, which predicts dipolar relaxation rates that agree with our experimental observations. This very general approach can be applied to a large variety of dipolar gases.
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页码：765 / 772
页数：8
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