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Dark soliton pair of ultracold Fermi gases for a generalized Gross-Pitaevskii equation model
Wang, Ying; Zhou, Yu; Zhou, Shuyu; Zhang, Yongsheng
2016
发表期刊Phys. Rev. E
卷号94期号:1
摘要We present the theoretical investigation of dark soliton pair solutions for one-dimensional as well as three-dimensional generalized Gross-Pitaevskii equation (GGPE) which models the ultracold Fermi gas during Bardeen-Cooper-Schrieffer-Bose-Einstein condensates crossover. Without introducing any integrability constraint and via the self-similar approach, the three-dimensional solution of GGPE is derived based on the one-dimensional dark soliton pair solution, which is obtained through a modified F-expansion method combined with a coupled modulus-phase transformation technique. We discovered the oscillatory behavior of the dark soliton pair from the theoretical results obtained for the three-dimensional case. The calculated period agrees very well with the corresponding reported experimental result [Weller et al., Phys. Rev. Lett. 101, 130401 (2008)], demonstrating the applicability of the theoretical treatment presented in this work.
文章类型Article
部门归属量光
DOI10.1103/PhysRevE.94.012225
资助者National Science Foundation (NSF) of China [11547024, 91336103, 11205071] ; National Science Foundation (NSF) of China [11547024, 91336103, 11205071]
收录类别SCI
资助者National Science Foundation (NSF) of China [11547024, 91336103, 11205071] ; National Science Foundation (NSF) of China [11547024, 91336103, 11205071]
WOS记录号WOS:000381496300001
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文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27770
专题量子光学重点实验室
作者单位中国科学院上海光学精密机械研究所
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Wang, Ying,Zhou, Yu,Zhou, Shuyu,et al. Dark soliton pair of ultracold Fermi gases for a generalized Gross-Pitaevskii equation model[J]. Phys. Rev. E,2016,94(1).
APA Wang, Ying,Zhou, Yu,Zhou, Shuyu,&Zhang, Yongsheng.(2016).Dark soliton pair of ultracold Fermi gases for a generalized Gross-Pitaevskii equation model.Phys. Rev. E,94(1).
MLA Wang, Ying,et al."Dark soliton pair of ultracold Fermi gases for a generalized Gross-Pitaevskii equation model".Phys. Rev. E 94.1(2016).
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