充氦管道中密度波引起的可能的零通量输运
Possible Zero-Flux Transport induced by Density Waves in a Tube filled with Solid Helium
摘要：
通过考虑界面与稀疏效应的非线性耦合，对小振幅表面弹性波沿柔性界面传播引起的超固体圆柱卷吸现象进行了宏观推导。我们得到了与Rittner和Reppy报道的超固体流动的临界速度相当小或消失有关的特定稀疏测度和波数对应的零体积流率状态的临界边界。
英文摘要：
Macroscopic derivation of the entrainment in a supersolid cylinder induced by a surface elastic wave (of small amplitude) propagating along the flexible interface is conducted by considering the nonlinear coupling between the interface and the rarefaction effect. We obtain the critical bounds for zero-volume-flow-rate states corresponding to specific rarefaction measure and wave number which is relevant to the rather small critical velocity or disappearance of supersolid flows reported by Rittner and Reppy.
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