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Splitting of a Multiply Quantized Vortex for a Bose-Einstein Condensate in an Optical Lattice

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Abstract

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.

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Acknowledgements

This work is supported by NSFC Project No. 11874202 and 973 Project No. 2015CB921202.

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Authors and Affiliations

  1. National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, 210093, China

    Qing-Li Zhu

  2. Department of Information Engineering, Nanjing Normal University Taizhou college, Taizhou, 225300, China

    Qing-Li Zhu

  3. School of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, China

    Lihua Pan

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  1. Qing-Li Zhu
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Correspondence to Lihua Pan.

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Zhu, QL., Pan, L. Splitting of a Multiply Quantized Vortex for a Bose-Einstein Condensate in an Optical Lattice. J Low Temp Phys 203, 392–400 (2021). https://doi.org/10.1007/s10909-021-02588-6

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