Density‐functional theory of the superconducting state

E. K.U. Gross*, Stefan Kurth

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

A density‐functional theory describing the superconducting state of matter is presented. The formalism leads to a set of single‐particle equations that are structurally similar to the Bogoliubov‐de Gennes equations but (in contrast to the latter) incorporate both normal and superconducting exchange‐correlation effects. It is demonstrated via a rigorous decoupling scheme that these single‐particle equations are equivalent to a set of normal Kohn‐Sham equations, and a BCS‐type gap equation to be solved self‐consistently with the Kohn‐Sham equations.

Original languageAmerican English
Pages (from-to)289-297
Number of pages9
JournalInternational Journal of Quantum Chemistry
Volume40
Issue number25 S
DOIs
StatePublished - 1991
Externally publishedYes

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