Abstract： We discuss the possible nonlinear waves of atomic matter wave in a Bose--Einstein condensate. One and two of two-dimensional (2D) dark solitons in the Bose--Einstein condensed system are investigated. A rich dynamics is studied for the interactions between two solitons. The interaction profiles of two solitons are greatly different if the angle between them are different. If the angle is small enough, the maximum amplitude during the interaction between two solitons is even less than that of a single soliton. However, if the angle is large enough, the maximum amplitude of two solitons can gradually attend to the sum of two soliton amplitudes.
(Optical transient phenomena: quantum beats, photon echo, free-induction decay, dephasings and revivals, optical nutation, and self-induced transparency)
引用本文:
DUAN Wen-Shan; CHEN Jian-Hong; YANG Hong-Juan;SHI Yu-Ren; WANG Hong-Yan. Nonlinear Wave in a Disc-Shaped Bose--Einstein Condensate[J]. 中国物理快报, 2006, 23(8): 2000-2003.
DUAN Wen-Shan, CHEN Jian-Hong, YANG Hong-Juan, SHI Yu-Ren, WANG Hong-Yan. Nonlinear Wave in a Disc-Shaped Bose--Einstein Condensate. Chin. Phys. Lett., 2006, 23(8): 2000-2003.
2006, Vol. 23 
