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

Authors
Citation
S. Goedecker, INTEGRAL-REPRESENTATION OF THE FERMI DISTRIBUTION AND ITS APPLICATIONS IN ELECTRONIC-STRUCTURE CALCULATIONS, Physical review. B, Condensed matter, 48(23), 1993, pp. 17573-17575
Citations number
4
Categorie Soggetti
Physics, Condensed Matter
ISSN journal
01631829
Volume
48
Issue
23
Year of publication
1993
Pages
17573 - 17575
Database
ISI
SICI code
0163-1829(1993)48:23<17573:IOTFDA>2.0.ZU;2-M
Abstract
We show that the Fermi distribution can be represented by an infinite sum of contour integrals in the complex energy plane. The expansion co nverges very rapidly and a few terms are sufficient to obtain high acc uracy.