VORTEX CREATION IN A FAST ADIABATIC EXPANSION THROUGH THE LAMBDA-TRANSITION

被引：0

作者：

HENDRY, PC ^{[1
]}

LAWSON, NS ^{[1
]}

LEE, RAM ^{[1
]}

MCCLINTOCK, PVE ^{[1
]}

WILLIAMS, CDH ^{[1
]}

机构：

[1] UNIV EXETER,DEPT PHYS,EXETER EX4 4QL,ENGLAND

来源：

PHYSICA B | 1994年 / 194卷

关键词：

D O I：

10.1016/0921-4526(94)90685-8

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Copious vortex line creation in a fast (approximately 3 ms) adiabatic expansion of a volume of liquid He-4 through the lambda transition has been observed. The maximum line density, inferred from measurements of second sound attenuation, is found to be much larger than that in a comparable expansion from just below the lambda line. The phenomenon was predicted by Zurek who proposed it as a model of cosmic string creation in the false vacuum/true vacuum phase transition of the early universe.

引用

页码：711 / 712

页数：2

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