Chin. Phys. Lett.  2003, Vol. 20 Issue (6): 802-805    DOI:
Original Articles |
(2+1)-Dimensional Envelope Solitons in a Disk-Shaped Bose-Einstein Condensate
HUANG Guo-Xiang
Key Laboratory for Optical and Magnetic Resonance Spectroscopy and Department of Physics, East China Normal University, Shanghai 200062
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HUANG Guo-Xiang 2003 Chin. Phys. Lett. 20 802-805
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Abstract We show that, due to the nonlinear coupling between a wavepacket superposed by short-wavelength collective modes and a long-wavelength mean field generated by the self-interaction of the wavepacket, the (2+1)-dimensional envelope solitons decaying in all spatial directions, i.e., dromions, are possible nonlinear excitations in a disk-shaped Bose-Einstein condensate with a repulsive interatomic interaction.
Keywords: 03.75.Fi      03.65.Ge      42.65.Tg     
Published: 01 June 2003
PACS:  03.75.Fi  
  03.65.Ge (Solutions of wave equations: bound states)  
  42.65.Tg (Optical solitons; nonlinear guided waves)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I6/0802
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