Decay of quantized vorticity in superfluid 4He at mK temperatures

被引：97
|
作者：
Davis, SI [1 ]
Hendry, PC [1 ]
McClintock, PVE [1 ]
机构：
[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
来源：
PHYSICA B | 2000年 / 280卷 / 1-4期
基金：
英国工程与自然科学研究理事会;
关键词：
He-4; superfluid; quantized vortex; superfluidity; turbulence; vortex line;
D O I：
10.1016/S0921-4526(99)01442-8
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
An experimental investigation of the free decay of quantized turbulence in isotopically pure superfluid He-4 at mK temperatures is discussed. Vortices are created by a vibrating grid, and detected by their trapping of negative ions. Preliminary results suggest the existence of a temperature-independent vortex decay mechanism below T similar to 70 mK. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：43 / 44
页数：2
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