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Dynamics of dark–bright vector solitons in a two-component Bose–Einstein condensate

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  • Li, Hong
  • Wang, D.N.
  • Cheng, Yongshan

Abstract

Coupled dark–bright vector solitons are considered in a two-component Bose–Einstein condensate, and their dynamics are investigated by the variational approach based on the renormalized integrals of motion. The stationary states and their atom population distribution are obtained, and it is found that the dark soliton has obvious robust features. The dynamic mechanism is demonstrated by performing a coordinate of a classical particle moving in an effective potential field, and the switching and self-trapping dynamics of the coupled dark–bright vector solitons are discussed by the evolution of the atom population transferring ratio.

Suggested Citation

  • Li, Hong & Wang, D.N. & Cheng, Yongshan, 2009. "Dynamics of dark–bright vector solitons in a two-component Bose–Einstein condensate," Chaos, Solitons & Fractals, Elsevier, vol. 39(4), pages 1988-1993.
    • Handle: RePEc:eee:chsofr:v:39:y:2009:i:4:p:1988-1993
    DOI: 10.1016/j.chaos.2007.06.063
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