Formation and decay of vortex lattices in Bose-Einstein condensates at finite temperatures

被引：134
|
作者：
Abo-Shaeer, JR [1 ]
Raman, C
Ketterle, W
机构：
[1] MIT, Dept Phys, MIT Harvard Ctr Ultracold Atoms, Cambridge, MA 02139 USA
[2] MIT, Elect Res Lab, Cambridge, MA 02139 USA
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 07期
关键词：
D O I：
10.1103/PhysRevLett.88.070409
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The dynamics of vortex lattices in stirred Bose-Einstein condensates have been studied at finite temperatures. The decay of the vortex lattice was observed nondestructively by monitoring the centrifugal distortions of the rotating condensate. The formation of the vortex lattice could be deduced from the increasing contrast of the vortex cores observed in ballistic expansion. In contrast to the decay, the formation of the vortex lattice is insensitive to temperature change.
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页数：4
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