论文标题
稀释系统的普遍关系，具有两体衰减的尺寸
Universal relations for dilute systems with two-body decays in reduced dimensions
论文作者
论文摘要
缩小尺寸中的物理系统表现出有趣的特性。例如，两体和多体物理学对散射长度的依赖性在三个维度上与同行不同。尽管缩小尺寸的超低原子和分子的许多研究一直集中在封闭的系统上，但在这种系统中可能会发生两体损失。在这里，我们表明，降低维度的两体非弹性损耗率可以在触点控制的普遍关系中表达。这些普遍关系将两体衰减率与任意温度和相互作用强度下的其他物理观察物相关联。我们的结果将为实验者提供新的方案，以减小尺寸的几个体系系统和多体系统中的非弹性散射。
Physical systems in reduced dimensions exhibit intriguing properties. For instance, the dependences of two-body and many-body physics on scattering lengths are distinct from their counterparts in three dimensions. Whereas many studies of ultracold atoms and molecules in reduced dimensions have been focusing on closed systems, two-body losses may occur in such systems. Here, we show that the two-body inelastic loss rate in reduced dimensions can be expressed in universal relations that are governed by contacts. These universal relations correlate the two-body decay rate with other physical observables at arbitrary temperatures and interaction strengths. Our results will provide experimentalists with a new protocol to study inelastic scatterings in both few- and many-body systems in reduced dimensions.
