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Stability properties of vector solitons in two-component Bose–Einstein condensates with tunable interactions |
Zhang Xiao-Fei(张晓斐)a)b)†, Zhang Pei(张培)a), He Wan-Quan(和万全)a),and Liu Xun-Xu(刘循序)b) |
a College of Science, Honghe University, Mengzi 661100, Yunnan Province, China; b Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China |
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Abstract By using a unified theory of the formation of various types of vector-solitons in two-component Bose–Einstein condensates with tunable interactions, we obtain a family of exact vector-soliton solutions for the coupled nonlinear Schrödinger equations. Moreover, the Bogoliubov equation shows that there exists stable dark soliton in specific situations. Our results open up new ways in considerable experimental interest for the quantum control of multi-component Bose–Einstein condensates.
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Received: 26 July 2010
Revised: 29 September 2010
Accepted manuscript online:
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PACS:
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03.75.Lm
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(Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)
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03.75.Mn
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(Multicomponent condensates; spinor condensates)
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03.65.Ge
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(Solutions of wave equations: bound states)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10874235, 10934010, and 60978019) and the National Key Basic Research Program of China (Grant Nos. 2009CB930701, 2010CB922904, and 2011CB921500). |
Cite this article:
Zhang Xiao-Fei(张晓斐), Zhang Pei(张培), He Wan-Quan(和万全), and Liu Xun-Xu(刘循序) Stability properties of vector solitons in two-component Bose–Einstein condensates with tunable interactions 2011 Chin. Phys. B 20 020307
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