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Long-Lived Rogue Waves and Inelastic Interaction in Binary Mixtures of Bose–Einstein Condensates |
| LIU Chong1, YANG Zhan-Ying1**, ZHAO Li-Chen2,3, YANG Wen-Li4, YUE Rui-Hong5 |
1Department of Physics, Northwest University, Xi'an 710069
2Science and Technology Computation Physics Laboratory, Institute of Applied Physics and Computational Mathematics, Beijing 100088
3Department of Modern Physics, University of Science and Technology of China, Hefei 230026
4Institute of Modern Physics, Northwest University, Xi'an 710069
5Faculty of Science, Ningbo University, Ningbo 315211
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| Cite this article: |
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LIU Chong, YANG Zhan-Ying, ZHAO Li-Chen et al 2013 Chin. Phys. Lett. 30 040304 |
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Abstract We investigate bright, dark and two rogue waves in two-component Bose–Einstein condensates. It is found that one rogue wave of a new structure that contains two humps and two valleys around one center in the temporal-spatial distribution interacts with the conventional rogue wave. We present an effective way to obtain long-lived rogue waves through managing the nonlinear interaction with modulating trapping frequency and interchange atoms between thermal clouds and condensates. The results provide many possibilities to manipulate rogue waves experimentally in the condensate system.
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Received: 18 January 2013
Published: 28 April 2013
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| PACS: |
03.75.Kk
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(Dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow)
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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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67.85.Hj
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(Bose-Einstein condensates in optical potentials)
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