We study the splitting process of a multiply quantized vortex for a trapped highly oblate Bose-Einstein condensate in an optical lattice. Fourfold or sixfold splitting patterns are found in the dynamical evolution in square or triangular optical lattices, respectively. The relaxation time and angular momentum are also investigated to explore the properties of splitting. We find one singly quantized vortex or antivortex could be finally stabilized at the trap center.

中文翻译：

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光学格子中玻色-爱因斯坦凝聚物的乘积量化涡旋的分裂

我们研究了在光学晶格中捕获的高度扁圆的玻色-爱因斯坦凝聚物的多重量化涡旋的分裂过程。在正方形或三角形光学晶格的动态演化中分别发现了四倍或六倍的分裂模式。还研究了弛豫时间和角动量，以探索分裂的性质。我们发现一个单独量化的涡旋或反涡旋最终可以稳定在阱中心。