Spontaneous squeezing of a vortex in an optical lattice

被引：9
|
作者：
Martikainen, JP [1 ]
Stoof, HTC [1 ]
机构：
[1] Univ Utrecht, Inst Theoret Phys, NL-3584 CE Utrecht, Netherlands
来源：
PHYSICAL REVIEW A | 2004年 / 70卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.70.013604
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the equilibrium states of a vortex in a Bose-Einstein condensate in a one-dimensional optical lattice. We find that quantum effects can be important and that it is even possible for the vortex to be strongly squeezed, which reflects itself in a different quantum-mechanical uncertainty of the vortex position in two orthogonal directions. The latter is observable by measuring the atomic density after an expansion of the Bose-Einstein condensate in the lattice.
引用
收藏
页码：013604 / 1
页数：5
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