APPLICATION OF THE THEORY OF DISPERSION FORCES TO THE SURFACE MELTING OF ICE

被引：153

作者：

ELBAUM, M ^{[1
]}

SCHICK, M ^{[1
]}

机构：

[1] UNIV OSLO,DEPT PHYS,N-0316 OSLO 3,NORWAY

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.66.1713

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We apply the theory of Dzyaloshinskii, Lifshitz, and Pitaevskii to ice, water, and vapor at the triple point and find that electromagnetic interactions do not permit a liquid film of macroscopic thickness at the ice-vapor interface. Hence the surface melting of ice is at most incomplete. However, the thickness of the film which is permitted is surprisingly large, with retardation effects setting the scale. Our estimate is about 30 angstrom. Further liquid appears as droplets with a contact angle of about 0.2-degrees. The film thickness decreases rapidly with temperature.

引用

页码：1713 / 1716

页数：4

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