有限温度下自旋为1的玻色-爱因斯坦凝聚体铁磁相Skyrmion和涡旋的流体力学模型
Hydrodynamic model of skyrmions and vorticities in the spin-1 Bose-Einstein condensate in ferromagnetic phase at finite temperatures
摘要：
本文描述了有限温度下旋量超冷玻色子中Skyrmions的量子流体动力学。讨论了零温下BEC的极限状态。Skyrmions被发现作为自旋演化方程的自旋-1超冷玻色子的铁磁相的解决方案。结果表明，自旋电流的量子部分对Skyrmions的形成有重要贡献。在有限温度下，考虑了量子（自旋）涡度与经典涡度之间的相互作用。玻色子被表示为与玻色-爱因斯坦凝聚体和正常流体相关的两种流体。所有的影响被认为是铁磁相。
英文摘要：
Quantum hydrodynamic of skyrmions in spinor ultracold bosons at the finite temperature is described. The limit regime of BEC appearing at the zero temperature is discussed either. The skyrmions are found as the solution of the spin evolution equation for the ferromagnetic phase of spin-1 ultracold bosons. It is demonstrated that the quantum part of the spin current gives major contribution in the formation of the skyrmions. The interplay between the quantum (spin) vorticity and the classic vorticity is considered for the finite temperatures. Bosons are presented as two fluids associated with the Bose-Einstein condensate and the normal fluid. All effects are considered for the ferromagnetic phase.
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