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题名: Stable knots in the trapped Bose-Einstein condensates
作者: Liu, YK;  Feng, SP;  Yang, SJ
刊名: EPL
出版日期: 2014
卷号: 106, 期号:5, 页码:50005
关键词: EXTENDED BRS SYMMETRY ;  HIGGS-KIBBLE MODEL ;  SUPERFIELD FORMULATION ;  GAUGE-THEORIES ;  RENORMALIZATION ;  QUANTIZATION ;  OPERATOR
学科分类: Physics
DOI: 10.1209/0295-5075/106/50005
通讯作者: Yang, SJ (reprint author), Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
部门归属: [Liu, Yong-Kai
英文摘要: The knot of the spin-texture is studied within the two-component Bose-Einstein condensates which are described by the nonlinear Gross-Pitaevskii equations. We start from the noninteracting equations including an axisymmetric harmonic trap to obtain an exact solution, which exhibits a nontrivial topological structure. The spin-texture is a knot with an integral Hopf invariant. The stability of the knot is verified by numerically evolving the nonlinear Gross-Pitaevskii equations along imaginary time. Copyright (C) EPLA, 2014
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000339151800005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15746
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Liu, YK,Feng, SP,Yang, SJ. Stable knots in the trapped Bose-Einstein condensates[J]. EPL,2014,106(5):50005.
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