具有周期振荡谐振势凝聚体中亮孤子的非周期振荡
Nonperiodic oscillation of bright solitons in the condensates with a periodically oscillating harmonic potential
摘要：
考虑周期振荡的谐振势，研究了玻色-爱因斯坦凝聚体中亮孤子的动力学性质。研究发现，在慢振荡势下，孤子运动呈现非周期振荡，而在快振荡势下，孤子运动几乎不受影响。此外，我们还得到了两个孤子的迎头碰撞和/或追逐碰撞，并且这种碰撞可以通过势的振荡频率来控制。
英文摘要：
Considering a periodically oscillating harmonic potential, we explore the dynamics properties of bright solitons in a Bose-Einstein condensate. It is found that under a slower oscillating potential, soliton movement exhibits a nonperiodic oscillation while it is hardly affected under a fast oscillating potential. Furthermore, the head-on and/or "chase" collisions of two solitons have been obtained, which can be controlled by the oscillating frequency of potential.
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