标题： 一维超流体的动力学理论 显示英文标题

标题： Dynamical theory of superfluidity in one dimension

摘要： 报告了一种解释一维（1D）量子流体超流响应动态方面的理论。 在长一维系统中，超流性的出现与低温下量子相位滑移的动力学抑制有关。 在可实验测量的相关函数框架内，讨论了这种抑制随频率和温度的变化情况，即动量响应函数。 还简要讨论了这些结果在理解受限于纳米尺寸孔隙中的氦的超流特性、固态$^4$氦中的边缘位错以及超冷原子气体的超流特性中的应用。 显示英文摘要

摘要： A theory accounting for the dynamical aspects of the superfluid response of one dimensional (1D) quantum fluids is reported. In long 1D systems the onset of superfluidity is related to the dynamical suppression of quantum phase slips at low temperatures. The effect of this suppression as a function of frequency and temperature is discussed within the framework of the relevant correlation function that is accessible experimentally, namely the momentum response function. Application of these results to the understanding of the superfluid properties of helium confined in nanometer-size pores, edge dislocations in solid $^4$He, and ultra-cold atomic gases is also briefly discussed.