Generation and detection of quantum turbulence in Superfluid 3He-B

被引：116
|
作者：
Fisher, SN [1 ]
Hale, AJ [1 ]
Guénault, AM [1 ]
Pickett, GR [1 ]
机构：
[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
来源：
PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.86.244
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We describe the first direct observations of turbulence in super-fluid He-3-B. The turbulence is generated by a vibrating-wire resonator driven at velocities exceeding the pair-breaking critical velocity. It is detected by the resulting decrease in the thermal damping on a neighboring "detector" vibrating-wire resonator. The superfluid flow field associated with the turbulence Andreev reflects thermal quasiparticle excitations, effectively screening the detector wire, resulting in a decrease in the thermal damping.
引用
收藏
页码：244 / 247
页数：4
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