Sharp heat-capacity signature at the superfluid transition of helium films in porous glasses.
Sharp heat-capacity signature at the superfluid transition of helium films in porous glasses.
复制标题
多孔玻璃中氦膜超流转变时的尖锐热容特征。
DOI：
10.1103/physrevlett.61.1954
复制
发表时间：
1988
影响因子：
8.6
通讯作者：
M. H. W. Chan
中科院分区：
文献类型：
--
作者：
D. Finotello;K. A. Gillis;Apollo P. Y. Wong;M. H. W. Chan
我们报告的第一次观察到一个尖锐的热容量签名有关的超流过渡薄/sup 4/He膜吸附在多孔Vycor和干凝胶玻璃。这些薄膜的转变温度在0.14 ~ 1.1K之间。这一新的特征是在许多早期研究中报道的以较高温度为中心的宽峰之外发现的。
We report the first observation of a sharp heat-capacity signature related to the superfluid transition in thin /sup 4/He films adsorbed on porous Vycor and xerogel glasses. The transition temperatures of these films range from 0.14 to 1.1 K. This new feature is found in addition to the broad peak centered at a higher temperature reported in a number of earlier studies.