论文标题
不混溶的两种组分玻璃凝结物中的磁孤子
Magnetic solitons in an immiscible two-component Bose-Einstein condensate
论文作者
论文摘要
我们研究了不混溶的二进制玻色网凝结物（BEC）中的磁孤子，其中种内相互作用比种间相互作用稍弱。尽管它们的密度和相位剖面类似于暗亮孤子，但其他特征性特性，例如速度，宽度，总密度耗竭和陷阱振荡却不同。在低速度状态下，磁性孤子会减少到旅行的一对磁性域壁。还简要讨论了孤子的碰撞行为。我们进一步证明，这些孤子状态可以在准二维（准1D）旋转-1铁磁bec中实现，例如较弱的自旋相互作用，例如RB87 BEC。
We investigate magnetic solitons in an immiscible binary Bose-Einstein condensate (BEC), where the intraspecies interactions are slightly weaker than the interspecies interactions. While their density and phase profiles are analogous to dark-bright solitons, other characteristic properties such as velocities, widths, total density depletions, and in-trap oscillations are different. In the low velocity regime, a magnetic soliton reduces to a traveling pair of magnetic domain walls. Collisional behaviors of the solitons are also briefly discussed. We further demonstrate that these solitonic states can be realized in a quasi-one-dimensional (quasi-1D) spin-1 ferromagnetic BEC with weak spin interaction, e.g., a Rb87 BEC.
