论文标题
拉曼旋转轨道耦合系统中的超莫利德条纹液滴
Supersolid Striped Droplets in a Raman Spin-Orbit-Coupled System
论文作者
论文摘要
我们分析了量子波动在条纹阶段中在拉曼自旋轨道耦合系统上发挥的作用。我们表明，超出平均场效应稳定了平均场理论预测的崩溃，并诱导了两个阶段的出现：气体和液体，这也显示了沿特权方向的空间周期性。我们表明，能量偏爱的相是由拉曼耦合和自旋依赖性散射长度决定的。我们通过求解扩展的Gross-Pitaevskii方程来获得有限系统的基础解决方案，并找到通过条纹图案具有内部结构的自缩的类似液滴的解决方案。我们估计与这些液滴相关的结合的临界数，并表明它们的价值在实验上是可以访问的。我们报告了近似能量功能，以便用实际术语来简化Lee-Yang-Yang校正的评估。
We analyze the role played by quantum fluctuations on a Raman Spin-Orbit Coupled system in the stripe phase. We show that beyond mean-field effects stabilize the collapse predicted by mean-field theory and induce the emergence of two phases: a gas and a liquid, which also show spatial periodicity along a privileged direction. We show that the energetically favored phase is determined by the Raman coupling and the spin-dependent scattering lengths. We obtain the ground-state solution of the finite system by solving the extended Gross-Pitaevskii equation and find self-bound, droplet-like solutions that feature internal structure through a striped pattern. We estimate the critical number for binding associated to these droplets and show that their value is experimentally accessible. We report an approximate energy functional in order to ease the evaluation of the Lee-Huang-Yang correction in practical terms.
