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题名: Generalized Gross-Pitaevskii equation adapted to the U(5) superset of SO(5) superset of SO(3) symmetry for spin-2 condensates
作者: He, YZ;  Liu, YM;  Bao, CG
刊名: PHYSICAL REVIEW A
出版日期: 2015
卷号: 91, 期号:3, 页码:33620
学科分类: Optics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevA.91.033620
通讯作者: Bao, CG (reprint author), Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China.
文章类型: Article
英文摘要: A generalized Gross-Pitaevskii equation adapted to the U(5) superset of SO(5) superset of SO(3) symmetry has been derived and solved for the spin-2 condensates. The spin-textile and the degeneracy of the ground state (g.s.) together with the factors affecting the stability of the g.s., such as the gap and the level density in the neighborhood of the g.s., have been studied. Based on a rigorous treatment of the spin-degrees of freedom, the spin-textiles can be understood in an N-body language. In addition to the ferro, polar, and cyclic phases, the g.s. might in a mixture of them when vertical bar M vertical bar is not equal to 0 and 2N (M is the total magnetization). The great difference in the stability and degeneracy of the g.s. caused by varying phi (which marks the features of the interaction) and M is notable. Since the root-mean-square radius R-rms is an observable, efforts have been made to derive a set of formulas to relate R-rms and N,omega (frequency of the trap), and phi. These formulas provide a way to check the theories with experimental data.
类目[WOS]: Optics ;  Physics, Atomic, Molecular & Chemical
关键词[WOS]: QUADRUPOLE
收录类别: SCI
项目资助者: National Natural Science Foundation of China (NNSFC) [11372122] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21052
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
He, YZ,Liu, YM,Bao, CG. Generalized Gross-Pitaevskii equation adapted to the U(5) superset of SO(5) superset of SO(3) symmetry for spin-2 condensates[J]. PHYSICAL REVIEW A,2015,91(3):33620.
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