G333 原子気体ボーズアインシュタイン凝縮体中の3次元渦糸ダイナミクス(G-33 数理流体(3),一般講演)

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  • G333 3-dimensional Dynamics of vortices in a Bose-Einstein condensate of an Atomic Gas

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We numerically integrate the 3-D time-dependent Gross-Pitaevskii equation to investigate dynamical transitions of the trapped Bose-Einstein condensate (BEC) from an initial non-vortex state to a steady vortex lattice state after the trigger of the rotation. We use the splitting-fourier method as a numerical scheme to perform stable 3-D numerical simulations with high computational efficiency. We present characteristic 3-D non-steady dynamics of vortices, i.e., the vortex penetration, the stochasitc vortex wandering, the vortex lattice vibration, etc.

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