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Soliton Solutions in Bose--Einstein Condensates with Time-Dependent Atomic Scattering Length in an Expulsive Parabolic Potential |
ZHANG Jie-Fang;YANG Qin |
Institute of Nonlinear Physics, Zhejiang Normal University, Jinhua 321004 |
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Cite this article: |
ZHANG Jie-Fang, YANG Qin 2005 Chin. Phys. Lett. 22 1855-1857 |
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Abstract We present both the bright and dark solitons of Bose--Einstein condensates with a time-dependent atomic scattering length in an expulsive parabolic potential. As a discussed example, we select the experimental parameter, i.e. the Feshbach-managed nonlinear coefficient reading a(t)=g0exp(λt), and obtain the results which can be recovered in the literature [Phys. Rev. Lett. 94(2005)050402].
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Keywords:
05.45.Yv
03.75.-b
04.20.Jb
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Published: 01 August 2005
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