ANOMALOUS TEMPERATURE-DEPENDENCE OF THE VORTEX NUCLEATION RATE DUE TO NEGATIVE-IONS IN ULTRADILUTE SUPERFLUID HE-3-HE-4 SOLUTIONS

被引：0
|
作者：
HENDRY, PC
LAWSON, NS
MCCLINTOCK, PVE
WAHAB, MYA
机构：
[1] School of Physics and Materials, Lancaster University, Lancaster
来源：
PHYSICA B-CONDENSED MATTER | 1994年 / 194卷 / pt 1期
关键词：
D O I：
10.1016/0921-4526(94)90751-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The rate nu at which negative ions create quantized vortex rings in superfluid He-3/He-4 solutions has been measured for temperatures T within 90 < T < 500 mK, for He-3/He-4 isotopic ratios x3 < 10(-7), pressures P within 17 < P < 25 bar, and electric fields E within 10(2) < E < 10(6) Vm-1. For fixed P, x3 and E, it has been found that nu(T) exhibits unexpected sharp local maxima, together with associated small velocity anomalies.
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页码：843 / 844
页数：2
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