SUPERFLOW DISSIPATION IN LIQUID-HELIUM II NEAR THE LAMBDA POINT

被引：0
作者：
WEYLAND, A
GEURTS, H
机构：
[1] Department of Physics, University of Nijmegen, Nijmegen
来源：
PHYSICS LETTERS A | 1979年 / 70卷 / 04期
关键词：
D O I：
10.1016/0375-9601(79)90137-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The fluctuation theory of critical velocities of superflow near the lambda point is reconsidered. It is shown that oscillations of vortex rings (Jordanskii's entropy term) are essential in reducing the large energy barrier for vortex nucleation. As a result better agreement between theoretical and experimental critical velocities is obtained. © 1979.
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页码：323 / 325
页数：3
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