Spontaneous crystallization of skyrmions and fractional vortices in fast-rotating and rapidly quenched spin-1 Bose-Einstein condensates

S. W. Su, C. H. Hsueh, I. K. Liu, T. L. Horng, Y. C. Tsai, S. C. Gou, W. M. Liu

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We investigate the spontaneous generation of crystallized topological defects via the combining effects of fast rotation and rapid thermal quench on spin-1 Bose-Einstein condensates (BECs). By solving the stochastic projected Gross-Pitaevskii equation, we show that, when the system reaches equilibrium, a hexagonal lattice of skyrmions and a square lattice of half-quantized vortices can be formed in a ferromagnetic and antiferromagnetic spinor BEC, respectively, which can be imaged by using the polarization-dependent phase-contrast method.

Original languageEnglish
Article number023601
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number2
Publication statusPublished - 2011 Aug 1


All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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