Vortex formation in a stirred Bose-Einstein condensate

被引：1544

作者：

Madison, KW ^{[1
]}

Chevy, F ^{[1
]}

Wohlleben, W ^{[1
]}

Dalibard, J ^{[1
]}

机构：

[1] Ecole Normale Super, Dept Phys, Lab Kastler Brossel, F-75005 Paris, France

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.84.806

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using a focused laser beam we stir a Bose-Einstein condensate of Rb-87 confined in a magnetic trap and observe the formation of a vortex for a stirring frequency exceeding a critical value. At larger rotation frequencies we produce states of the condensate for which up to four vortices are simultaneously present. We have also measured the lifetime of the single vortex state after turning off the stirring laser beam.

引用

页码：806 / 809

页数：4

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