VORTEX EXCITATIONS UNDER COLLISION BETWEEN A SUPERFLOWING RING - SHAPED BEC AND A CENTERED STATIC BECJournal: International Journal of Advanced Research (Vol.7, No. 11)
Publication Date: 2019-11-15
Authors : Qingli Zhu;
Page : 646-651
Keywords : Vortex excitations Bose - Einstein condensate collison;
By performing numerical calculations of the quasi-two-dimensional GP equation, the dynamical generation and evolution of vortex excitations under collision between a superflowing ring-shaped BEC and a centered static BEC are investigated. We study the collision between a superflowing ring-shaped BEC and a static centered BEC. Symmetrically positioned singly quantized vortices can be created and their time evolution mainly depends on the atomic interactions.
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