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Soliton breathers in spin-1 Bose–Einstein condensates |
| Ji Shen-Tong (冀慎统), Yan Pei-Gen (颜培根), Liu Xue-Shen (刘学深) |
| Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China |
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Abstract We consider a spin-1 Bose–Einstein condensate trapped in a harmonic potential with different nonlinearity coefficients. We illustrate the dynamics of soliton breathers in two-component and three-component states by numerically solving the one-dimensional time-dependent coupled Gross–Pitaecskii equations (GPEs). We present that two condensates with repulsive interspecies interactions make elastic collision and novel soliton breathers are created in two-component state. We also demonstrate novel soliton breathers in three-component state with attractive coupling constants. Furthermore, possible reasons for creating soliton breathers are discussed.
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Received: 27 September 2013
Revised: 07 November 2013
Accepted manuscript online:
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PACS:
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03.75.Mn
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(Multicomponent condensates; spinor condensates)
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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.Kk
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(Dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11271158 and 11174108). |
Corresponding Authors:
Liu Xue-Shen
E-mail: liuxs@jlu.edu.cn
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Cite this article:
Ji Shen-Tong (冀慎统), Yan Pei-Gen (颜培根), Liu Xue-Shen (刘学深) Soliton breathers in spin-1 Bose–Einstein condensates 2014 Chin. Phys. B 23 030311
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