Dynamics of quantized vortices in a torsional oscillator under rotation:: Proposed experiments in supersolid 4He

被引：0

作者：

Kubota, Minoru ^{[1
]}

Fukuda, Muneyuki ^{[1
]}

Obata, Toshiaki ^{[1
]}

Ito, Yuji ^{[1
]}

Penzev, Andrey ^{[1
]}

Minoguchi, Tomoki ^{[2
]}

Sonin, Edouard ^{[3
]}

机构：

[1] Univ Tokyo, Inst Solid State Phys, Kashiwanoha 5-1-5, Kashiwa, Chiba 2778581, Japan

[2] Univ Tokyo, Inst Phys, Meguro ku, Tokyo 1538902, Japan

[3] Hebrew Univ Jerusalem, Racah Inst Phys, Jerusalem 91904, Israel

来源：

LOW TEMPERATURE PHYSICS, PTS A AND B | 2006年 / 850卷

关键词：

superfluid; supersolid; rotationally induced vortex lines; energy dissipation; vortex pairs; vortex rings;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Recently there have been reports of superfluidity in solid He-4 and possibly in other solids. One of the common features of these systems is their small superfluid density. This would imply a rather long three dimensional (313) coherence length. Sub-monolayer superfluid He-4 films condensed on 3D connected surfaces show 3D superfluid transitions, in some cases with a rather small 3D superfluid density and a long 3D coherence length, which implies a large 3D vortex core size. We have previously detected 3D vortex lines in a 3D superfluid made of a sub-monolayer He-4 film condensed on the pore surface of large pore diameter porous glass, by measuring the energy dissipation in a torsional oscillator under rotation. We propose application of this method to the new supersolids.

引用

页码：283 / +

页数：2