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Collision Dynamics of Dissipative Matter-Wave Solitons in a Perturbed Optical Lattice |
| Zheng Zhou1, Hong-Hua Zhong2,3**, Bo Zhu2, Fa-Xin Xiao1**, Ke Zhu1, Jin-Tao Tan4 |
1Department of Physics, Hunan Institute of Technology, Hengyang 421002
2Department of Physics, Jishou University, Jishou 416000
3School of Physics and Astronomy, Sun Yat-Sen University, Zhuhai 519082
4Department of physics, Hunan University of Technology, Zhuzhou 412007
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| Cite this article: |
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Zheng Zhou, Hong-Hua Zhong, Bo Zhu et al 2016 Chin. Phys. Lett. 33 110301 |
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Abstract We investigate the stability and collision dynamics of dissipative matter-wave solitons formed in a quasi-one-dimensional Bose–Einstein condensate with linear gain and three-body recombination loss perturbed by a weak optical lattice. It is shown that the linear gain can modify the stability of the single dissipative soliton moving in the optical lattice. The collision dynamics of two individual dissipative matter-wave solitons explicitly depend on the linear gain parameter, and they display different dynamical behaviors in both the in-phase and out-of-phase interaction regimes.
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Received: 30 June 2016
Published: 28 November 2016
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| PACS: |
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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05.45.Yv
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(Solitons)
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67.85.Hj
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(Bose-Einstein condensates in optical potentials)
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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos 11547125 and 11465008, the Hunan Provincial Natural Science Foundation under Grant Nos 2015JJ4020 and 2015JJ2114, and the Scientific Research Fund of Hunan Provincial Education Department under Grant No 14A118. |
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