Twisted spin vortices in a spin-1 Bose-Einstein condensate with Rashba spin-orbit coupling and dipole-dipole interaction

被引：29
|
作者：
Kato, Masaya [1 ]
Zhang, Xiao-Fei [1 ,2 ]
Sasaki, Daichi [1 ]
Saito, Hiroki [1 ]
机构：
[1] Univ Electrocommun, Dept Engn Sci, Tokyo 1828585, Japan
[2] Chinese Acad Sci, Natl Time Serv Ctr, Key Lab Time & Frequency Primary Stand, Xian 710600, Peoples R China
来源：
PHYSICAL REVIEW A | 2016年 / 94卷 / 04期
基金：
日本学术振兴会;
关键词：
NEUTRAL ATOMS; TOPOLOGICAL INSULATORS;
D O I：
10.1103/PhysRevA.94.043633
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We consider a spin-1 Bose-Einstein condensate with Rashba spin-orbit coupling and dipole-dipole interaction confined in a cigar-shaped trap. Due to the combined effects of spin-orbit coupling, dipole-dipole interaction, and trap geometry, the system exhibits a rich variety of ground-state spin structures, including twisted spin vortices. The ground-state phase diagram is determined with respect to the strengths of the spin-orbit coupling and dipole-dipole interaction.
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页数：6
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