论文标题
三维玻色酿凝结物中的量子液滴
Quantum droplets in three-dimensional Bose-Einstein condensates
论文作者
论文摘要
已经研究了3D Bose-Einstein冷凝物的特性。在各种方法中，我们使用超高斯试验功能，并证明该试验功能为描述量子液滴提供了良好的方法。获得了变分参数的分析方程。估计量子液滴的小振荡频率估计。还发现，耦合常数的周期性调制导致量子液滴参数的共振振荡或根据调制幅度的幅度发射波的谐振。这些预测由控制方程的直接数值模拟支持。
The properties of 3D Bose-Einstein condensate have been studied with variational and numerical methods. In the variational approach, we use the super-Gaussian trial function, and it is demonstrated that this trial function gives a good approach for the descriptions of the quantum droplets. The analytical equations for the variational parameters are obtained. The frequency of small oscillations of quantum droplets near the equilibrium position is estimated. It is also found that periodic modulation of the coupling constants leads to the resonance oscillations of the quantum droplets parameters or emission of waves depending on the amplitude of the modulations. The predictions are supported by direct numerical simulation of governing equation.
