光晶格中耗散诱导的Tonks-Girardeau气体
Dissipation induced Tonks-Girardeau gas in an optical lattice
摘要：
我们提出了一个理论研究的晶格唐克斯气体，是由非弹性，而不是弹性相互作用。分析计算表明，在强两体损失的限制下，系统的动力学是有效的Tonks气体。我们还推导出了有效损失率的解析表达式。我们发现这些分析结果和严格的数值计算结果之间有很好的一致性。气体的Tonks特性在减少的有效损失率和气体的动量分布中都是可见的。
英文摘要：
We present a theoretical investigation of a lattice Tonks-gas that is created by inelastic, instead of elastic interactions. An analytical calculation shows that in the limit of strong two-body losses, the dynamics of the system is effectively that of a Tonks gas. We also derive an analytic expression for the effective loss rate. We find good agreement between these analytical results and results from a rigorous numerical calculation. The Tonks character of the gas is visible both in a reduced effective loss rate and in the momentum distribution of the gas.
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