论文标题
测量一阶结构相变的动力学
Measuring the dynamics of a first order structural phase transition between two configurations of a superradiant crystal
论文作者
论文摘要
我们通过将Bose-Einstein冷凝物与光腔并施加不平衡的横泵场耦合，观察到超级晶体的两个构型之间的结构相变。我们发现，这种一阶相变的伴随着我们实时测量的顺序参数的瞬态动力学。相变和激发光谱可以从与我们的实验数据进行定量一致的微观哈密顿量中得出。
We observe a structural phase transition between two configurations of a superradiant crystal by coupling a Bose-Einstein condensate to an optical cavity and applying imbalanced transverse pump fields. We find that this first order phase transition is accompanied by transient dynamics of the order parameter which we measure in real-time. The phase transition and the excitation spectrum can be derived from a microscopic Hamiltonian in quantitative agreement with our experimental data.
