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Local Density Approximation for superconductors

Authors: S. Kurth, M.A.L. Marques, M. Lueders, and E.K.U. Gross

Ref.: Phys. Rev. Lett. 83, 2628 (1999)

Abstract: A universal LDA-type density functional describing the electronic correlations in superconductors is developed from first principles. The functional is constructed from the exchange-correlation free-energy density, f^hom_xc, of a homogeneous electron gas exposed to an external translationally invariant pairing field. The quantity f^hom_xc, which is a function of the density and a functional of the induced order parameter, is calculated by many-body perturbation theory.

Citations: 37 (Google scholar)

DOI: 10.1103/PhysRevLett.83.2628

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Bibtex:

@article{Kurth_1999,
	doi = {10.1103/physrevlett.83.2628},
	url = {https://doi.org/10.1103%2Fphysrevlett.83.2628},
	year = 1999,
	month = {sep},
	publisher = {American Physical Society ({APS})},
	volume = {83},
	number = {13},
	pages = {2628--2631},
	author = {S. Kurth and M. Marques and M. Lüders and E. K. U. Gross},
	title = {Local Density Approximation for Superconductors},
	journal = {Physical Review Letters}
}