A fluid in contact with a wall
作者:
Johann Fischer,
期刊:
Molecular Physics
(Taylor Available online 1977)
卷期:
Volume 33,
issue 1
页码: 75-81
ISSN:0026-8976
年代: 1977
DOI:10.1080/00268977700103061
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The density profiles for a hard-sphere fluid in front of an ideal wall obtained either with the Percus-Yevick or the superposition approximation are compared. In an expansion of the profile in powers of the bulk density, the coefficient of the third power is better in the superposition approximation. The density at the wall is given exactly by the superposition approximation, whereas the Percus-Yevick result is too low. For the superposition approximation a calculated density profile and the excess surface density as function of the bulk density are also given.
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