SUPERFLUID CRITICAL-BEHAVIOR IN HE-4-FILLED POROUS-MEDIA

被引:85
作者
WONG, GKS
CROWELL, PA
CHO, HA
REPPY, JD
机构
[1] CORNELL UNIV,ATOM & SOLID STATE PHYS LAB,ITHACA,NY 14853
[2] CORNELL UNIV,CTR MAT SCI,ITHACA,NY 14853
关键词
D O I
10.1103/PhysRevLett.65.2410
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have observed sharp cusplike heat-capacity singularities, coincident with the superfluid transition, in two filled4 aerogel glasses. These features are interpreted as conclusive evidence of genuine critical behavior at the superfluid transition in these systems. The cusplike heat-capacity singularities confirm that filled4 aerogels are not in the same universality class as bulk helium. © 1990 The American Physical Society.
引用
收藏
页码:2410 / 2413
页数:4
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