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2008 Volume 17 Issue 10
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He Zhang-Ming, Wang Deng-Long, Zhang Wei-Xi, Wang Feng-Jiao, Ding Jian-Wen. 2008: Controlling the amplitude of soliton in a growing Bose-Einstein condensate by means of Feshbach resonance, Chinese Physics B, 17(10): 3640-3643.
Citation: He Zhang-Ming, Wang Deng-Long, Zhang Wei-Xi, Wang Feng-Jiao, Ding Jian-Wen. 2008: Controlling the amplitude of soliton in a growing Bose-Einstein condensate by means of Feshbach resonance, Chinese Physics B, 17(10): 3640-3643.
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Controlling the amplitude of soliton in a growing Bose-Einstein condensate by means of Feshbach resonance

  • Department of Physics and Key Laboratory of Low Dimensional Materials & Application Technology of Ministry of Education,Xiangtan University,Xiangtan 411105,China

  • Available Online: 30/10/2008
  • Fund Project: the NSF of China(Grant 10674113)%the Program for NCET in University(Grant NCET-06-0707)%the Foundation for the Author of National Excellent Doctoral Dissertation of China(Grant 200726)%the NSF of Hunan Province,China(Grant 06JJ50006)
  • By using Darboux transformation,this paper studies analytically the nonlinear dynamics of a one-dimensional growing Bose-Einstein condensate(BEC).It is shown that the growing model has an important effect on the amplitude of the soliton in the condensates.In the absence of the growing model,there exhibits the stable alternate bright solitons in the condensates.In the presence of the growing model,the obtained results show that the amplitude of the bright soliton decreases(increases)for the BEC growing coefficient Ω＜0(Ω＞0).Furthermore,we propose experimental protocols to manipulate the amplitude of the bright soliton by varying the scattering length via the Feshbach resonance in the fluture experiment.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Controlling the amplitude of soliton in a growing Bose-Einstein condensate by means of Feshbach resonance

  • Available Online: 30/10/2008

Abstract: By using Darboux transformation,this paper studies analytically the nonlinear dynamics of a one-dimensional growing Bose-Einstein condensate(BEC).It is shown that the growing model has an important effect on the amplitude of the soliton in the condensates.In the absence of the growing model,there exhibits the stable alternate bright solitons in the condensates.In the presence of the growing model,the obtained results show that the amplitude of the bright soliton decreases(increases)for the BEC growing coefficient Ω＜0(Ω＞0).Furthermore,we propose experimental protocols to manipulate the amplitude of the bright soliton by varying the scattering length via the Feshbach resonance in the fluture experiment.

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