Skip to main navigation Skip to search Skip to main content

Existence of minimizers for Kohn-Sham models in quantum chemistry

  • École des ponts

Research output: Contribution to journalArticlepeer-review

Abstract

This article is concerned with the mathematical analysis of the Kohn-Sham and extended Kohn-Sham models, in the local density approximation (LDA) and generalized gradient approximation (GGA) frameworks. After recalling the mathematical derivation of the Kohn-Sham and extended Kohn-Sham LDA and GGA models from the Schrödinger equation, we prove that the extended Kohn-Sham LDA model has a solution for neutral and positively charged systems. We then prove a similar result for the spin-unpolarized Kohn-Sham GGA model for two-electron systems, by means of a concentration-compactness argument.

Original languageEnglish
Pages (from-to)2425-2455
Number of pages31
JournalAnnales de l'Institut Henri Poincare (C) Analyse Non Lineaire
Volume26
Issue number6
DOIs
Publication statusPublished - 1 Jan 2009

Keywords

  • Concentration-compactness
  • Density functional theory
  • Electronic structure
  • Kohn-Sham
  • Variational methods

Fingerprint

Dive into the research topics of 'Existence of minimizers for Kohn-Sham models in quantum chemistry'. Together they form a unique fingerprint.

Cite this