中国物理B ›› 2011, Vol. 20 ›› Issue (11): 110307-110307.doi: 10.1088/1674-1056/20/11/110307

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Combined periodic wave and solitary wave solutions in two-component Bose–Einstein condensates

姚淑芳1, 李秋艳1, 李再东2   

  1. (1)Department of Applied Physics, Hebei University of Technology, Tianjin 300401, China; (2)Department of Applied Physics, Hebei University of Technology, Tianjin 300401, China; School of Information Engineering, Hebei University of Technology, Tianjin 300401, China
  • 收稿日期:2011-04-10 修回日期:2011-06-14 出版日期:2011-11-15 发布日期:2011-11-15
  • 基金资助:
    Project supported by the Key Program of Chinese Ministry of Education (Grant No. 2011015) and the Hundred Innovation Talents Supporting Project of Hebei Province of China (Grant No. CPRC014).

Combined periodic wave and solitary wave solutions in two-component Bose–Einstein condensates

Yao Shu-Fang (姚淑芳)a), Li Qiu-Yan(李秋艳) a), and Li Zai-Dong(李再东)a)b)†   

  1. a Department of Applied Physics, Hebei University of Technology, Tianjin 300401, China; b School of Information Engineering, Hebei University of Technology, Tianjin 300401, China
  • Received:2011-04-10 Revised:2011-06-14 Online:2011-11-15 Published:2011-11-15
  • Supported by:
    Project supported by the Key Program of Chinese Ministry of Education (Grant No. 2011015) and the Hundred Innovation Talents Supporting Project of Hebei Province of China (Grant No. CPRC014).

摘要: In this paper, the Jacobi elliptic function expansion method provides an effective approach to obtain the exact periodic wave solutions of two-component Bose-Einstein condensates. Exact combined bright-bright and dark-dark soliton wave solutions can be achieved in their limit conditions. We also obtain the different formation regions of combined solitons. Our results show that the intraspecies (interspecies) interaction strengths clearly affect the formation of dark-dark, bright-bright and dark-bright soliton solutions in different regions.

关键词: Jacobi elliptic function method, solitary wave solutions

Abstract: In this paper, the Jacobi elliptic function expansion method provides an effective approach to obtain the exact periodic wave solutions of two-component Bose-Einstein condensates. Exact combined bright-bright and dark-dark soliton wave solutions can be achieved in their limit conditions. We also obtain the different formation regions of combined solitons. Our results show that the intraspecies (interspecies) interaction strengths clearly affect the formation of dark-dark, bright-bright and dark-bright soliton solutions in different regions.

Key words: Jacobi elliptic function method, solitary wave solutions

中图分类号:  (Multicomponent condensates; spinor condensates)

  • 03.75.Mn
05.45.Yv (Solitons)