QUANTUM CAVITATION IN SUPERFLUID-HELIUM-4

被引：27

作者：

BALIBAR, S

GUTHMANN, C

LAMBARE, H

ROCHE, P

ROLLEY, E

MARIS, HJ

机构：

[1] UNIV PARIS 06,CNRS,PHYS STAT LAB,F-75231 PARIS 05,FRANCE

[2] UNIV PARIS 07,CNRS,PHYS STAT LAB,F-75231 PARIS 05,FRANCE

[3] BROWN UNIV,DEPT PHYS,PROVIDENCE,RI 02912

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 1995年 / 101卷 / 1-2期

关键词：

D O I：

10.1007/BF00754588

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have observed the nucleation of bubbles in superfluid helium-4 at negative pressure and at temperatures down to 65 mK. Cavitation is found to be a random process. Above 1 K, its probability varies with temperature in a manner consistent with classical activation by thermal fluctuations. Below 0.4 K cavitation is still random but temperature independent, in agreement with a recent theory of quantum tunneling. We also consider another possible interpretation involving turbulence in the focal region.

引用

页码：271 / 277

页数：7

共 8 条

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AKULICHEV VA, 1975, SOV PHYS ACOUST+, V20, P501

[2]

VORTICES WITH MORE THAN ONE QUANTUM OF CIRCULATION IN HE-4 AT NEGATIVE-PRESSURE [J].