INTEGRAL-REPRESENTATION OF THE FERMI DISTRIBUTION AND ITS APPLICATIONS IN ELECTRONIC-STRUCTURE CALCULATIONS

被引：34

作者：

GOEDECKER, S

机构：

[1] Cornell Theory Center, Ithaca

来源：

PHYSICAL REVIEW B | 1993年 / 48卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.48.17573

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We show that the Fermi distribution can be represented by an infinite sum of contour integrals in the complex energy plane. The expansion converges very rapidly and a few terms are sufficient to obtain high accuracy.

引用

页码：17573 / 17575

页数：3