Local-field correction for the ferromagnetic electron gas

被引：0
|
作者：
Brito, JJS
机构：
[1] Univ Brasilia, Int Ctr Condensed Matter Phys, BR-70919970 Brasilia, DF, Brazil
[2] Univ Brasilia, Dept Fis, BR-70919970 Brasilia, DF, Brazil
来源：
PHYSICAL REVIEW B | 1998年 / 57卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.57.12056
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple model for the local-field correction of a ferromagnetic electron gas is proposed and parametrized by using known constraints of this system. From these constraints, it is shown that the ferromagnetic local-field correction has a local maximum where it exceeds unity, which leads to the possibility of important effects. Useful parameters for practical applications and results for the ground-state properties are obtained and discussed in the full range of densities. [S0163-1829(98)02915-4].
引用
收藏
页码：12056 / 12068
页数：13
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