DYNAMIC POLARIZABILITIES AND VANDERWAALS COEFFICIENTS

被引:165
作者
TANG, KT
机构
[1] Department of Physics, Pacific Lutheran University, Tacoma, WA
来源
PHYSICAL REVIEW | 1969年 / 177卷 / 01期
关键词
D O I
10.1103/PhysRev.177.108
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A simple two-point Padé approximant of the dynamic polarizability is used to generate a variety of formulas for van der Waals coefficients including the Slater-Kirkwood formula for two-body interactions and the Midzuno-Kihara formula for three-body interactions. The mathematical properties of the approximant are examined. It is shown that some formulae are bounds of the actual value while others give remarkably accurate results. © 1969 The American Physical Society.
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页码:108 / &
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