Anomalous viscosity transition of solid He-4 in nanodomains

被引：0
作者：
Kwang-Hua, Chu Rainer [1 ,2 ]
机构：
[1] Transfer Ctr, 4-F 16,Lane 21,Kwang Hui Rd, Taipei 116, Taiwan
[2] Distribut Ctr, Golmud Mans, 33,Rd Yingbin, Golmud 816000, Peoples R China
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2017年 / 474卷
关键词：
Transport; Kinetics; Defects; Thermodynamic properties; VYCOR GLASS; HELIUM; SUPERSOLIDITY; PHYSICS; STATE;
D O I：
10.1016/j.physa.2017.02.002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Verified theory of absolute reaction rate or transition-state (originates from the quantum chemistry approach) as well as boundary perturbation method were applied to capturing the possible jump of shear viscosity for solid He-4 (with small He-3 impurities) passing through Vycor's pores which have in average a diameter around 7 nm. Via tuning of activation energies and activation volumes while fixing of forcing parameters we can obtain quantitatively the same temperatures at which the anomalous solid state transitions for flowing solid He-4 (with small He-3 concentrations) in confined nanodomains have been experimentally reported. Current open issues played by the role of He-3 impurities were also discussed. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：363 / 369
页数：7
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