Helical supersolid phases in spin-orbit-coupled bosons

被引：7
|
作者：
Wang, Ji-Guo [1 ]
Yang, Shi-Jie [1 ,2 ]
机构：
[1] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China
[2] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
来源：
PHYSICAL REVIEW A | 2016年 / 93卷 / 04期
关键词：
BOSE-EINSTEIN CONDENSATION; GASES; PHYSICS; HELIUM;
D O I：
10.1103/PhysRevA.93.043625
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the ground-state phases of a spin-orbit-coupled Bose-Einstein condensate loaded in a two-dimensional optical lattice. We find three types of helical supersolid phases, which are dependent on the anisotropy of the spin-orbit coupling with respect to the relative strength of the y and x directions. The period of density modulation increases with the strength of the spin-orbit coupling.
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页数：4
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