Nucleation of solid helium from liquid under high pressure

被引:14
|
作者
Maris, HJ [1 ]
Caupin, F [1 ]
机构
[1] Brown Univ, Dept Phys, Providence, RI 02912 USA
基金
美国国家科学基金会;
关键词
D O I
10.1023/A:1022813514979
中图分类号
O59 [应用物理学];
学科分类号
摘要
We consider the homogenous nucleation of solid helium from the liquid phase at pressures above the normal freezing pressure. We find that if the liquid-solid surface energy alpha is assumed to be independent of pressure, then at 1 K nucleation should occur at a liquid pressure in the range 60 to 70 bars. Allowance for the variation of a with pressure is found to result in a very large reduction in the nucleation rate.
引用
收藏
页码:145 / 154
页数:10
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