Comparison between the vorticity expansion approximation and the local density approximation of the current-density functional theory from the viewpoint of sum rules

被引：18

作者：

Higuchi, K. ^{[1
]}

Higuchi, M.

机构：

[1] Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima 7398530, Japan

[2] Shinshu Univ, Fac Sci, Dept Phys, Matsumoto, Nagano 3908621, Japan

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2007年 / 19卷 / 36期

关键词：

STRONG MAGNETIC-FIELDS; SINGLE-PARTICLE EQUATION; ELECTRON-DENSITIES; SYSTEMS;

D O I：

10.1088/0953-8984/19/36/365216

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We compare the vorticity expansion approximation (VEA) with the local density approximation (LDA) of the current-density functional theory from the viewpoint of sum rules. The VEA formulae satisfy all sum rules which are derived from uniform and nonuniform coordinate scaling properties, while the LDA formulae do not satisfy at least about a third of the sum rules. The validity of the VEA formula is thus confirmed successfully.

引用

页数：5

共 18 条

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