Structural phase transitions of vortex matter in an optical lattice

被引：79
|
作者：
Pu, H [1 ]
Baksmaty, LO
Yi, S
Bigelow, NP
机构：
[1] Rice Univ, Dept Phys & Astron, Houston, TX 77251 USA
[2] Rice Univ, Rice Quantum Inst, Houston, TX 77251 USA
[3] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
[4] Univ Rochester, Laser Energet Lab, Rochester, NY 14627 USA
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 19期
关键词：
D O I：
10.1103/PhysRevLett.94.190401
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider the vortex structure of a rapidly rotating trapped atomic Bose-Einstein condensate in the presence of a corotating periodic optical lattice potential. We observe a rich variety of structural phases which reflect the interplay of the vortex-vortex and vortex-lattice interactions. The lattice structure is very sensitive to the ratio of vortices to pinning sites and we observe structural phase transitions and domain formation as this ratio is varied.
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页数：4
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