Structural phase transitions of vortex matter in an optical lattice.
Structural phase transitions of vortex matter in an optical lattice.
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DOI：
10.1103/physrevlett.94.190401
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发表时间：
2004-04
影响因子：
8.6
通讯作者：
H. Pu;L. Baksmaty;S. Yi;N. Bigelow
中科院分区：
文献类型：
--
作者：
H. Pu;L. Baksmaty;S. Yi;N. Bigelow
我们考虑在存在共旋转周期性光学晶格势的情况下快速旋转的俘获原子玻色-爱因斯坦凝聚态的涡旋结构。我们观察到了丰富多样的结构相，这些结构相反映了涡旋-涡旋和涡旋-晶格相互作用的相互作用。晶格结构对涡流与钉扎位点的比率非常敏感，随着该比率的变化，我们观察到结构相变和域形成。
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.