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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, fhomxc, of a homogeneous electron gas exposed to an external translationally invariant pairing field. The quantity fhomxc, which is a function of the density and a functional of the induced order parameter, is calculated by many-body perturbation theory.

Citations: 39 (Google scholar)

DOI: 10.1103/PhysRevLett.83.2628

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Bibtex:

 @article{Kurth_1999, title={Local Density Approximation for Superconductors}, volume={83}, ISSN={1079-7114}, url={http://dx.doi.org/10.1103/PhysRevLett.83.2628}, DOI={10.1103/physrevlett.83.2628}, number={13}, journal={Physical Review Letters}, publisher={American Physical Society (APS)}, author={Kurth, S. and Marques, M. and Lüders, M. and Gross, E. K. U.}, year={1999}, month=sep, pages={2628–2631} }