Density-functional exchange identity from coordinate scaling

被引：39

作者：

Levy, M

Gorling, A

机构：

[1] TULANE UNIV, QUANTUM THEORY GRP, NEW ORLEANS, LA 70118 USA

[2] TECH UNIV MUNICH, LEHRSTUHL THEORET CHEM, D-85747 GARCHING, GERMANY

来源：

PHYSICAL REVIEW A | 1996年 / 53卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.53.3140

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A density-functional exchange identity is derived in a very simple manner through coordinate scaling for the external potential within the coupling-constant approach. It is observed that this identity may be expressed as a recursion relation which is especially useful for testing approximations to the exchange functional, and to its corresponding exchange potential, as part of a full density-functional calculation involving correlation as well as exchange.

引用

页码：3140 / 3142

页数：3

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