LATTICE DIELECTRIC FUNCTIONS BASED ON THE SHELL-MODEL

被引：9
|
作者：
CHEN, H
CALLAWAY, J
机构：
[1] Department of Physics and Astronomy, Louisiana State University, Baton Rouge
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 05期
关键词：
D O I：
10.1103/PhysRevB.45.2085
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We derive a formula for the dielectric function epsilon(q,omega) due to lattice vibrations described within the shell model. Except for damping constants, this formula does not require any additional adjustable parameters. A comparison of the present results with experimental data for NiO indicates a rather good agreement.
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页码：2085 / 2087
页数：3
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