Stability properties of vector solitons in two-component Bose–Einstein condensates with tunable interactions

doi:10.1088/1674-1056/20/2/020307

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.

Keywords: Bose–Einstein condensates vector soliton Bogoliubov equation

Received: 26 July 2010
Revised: 29 September 2010
Accepted manuscript online:

PACS:	03.75.Lm	(Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)
	03.75.Mn	(Multicomponent condensates; spinor condensates)
	03.65.Ge	(Solutions of wave equations: bound states)

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).

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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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Stability properties of vector solitons in two-component Bose–Einstein condensates with tunable interactions

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