Density-functional description of superconducting and magnetic proximity effects across a tunneling barrier

Quintanilla, Jorge, Capelle, Klaus, Oliveira, Luiz N. (2008) Density-functional description of superconducting and magnetic proximity effects across a tunneling barrier. Physical Review B: Condensed Matter and Materials Physics, 78 (20). pp. 1-10. ISSN 0163-1829. (doi:10.1103/PhysRevB.78.205426) (KAR id:26086)

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Official URL: http://dx.doi.org/10.1103/PhysRevB.78.205426

Abstract

A density-functional formalism for superconductivity and magnetism is presented. The resulting relations unify previously derived Kohn-Sham equations for superconductors and for noncollinear magnetism. The formalism, which discriminates Cooper-pair singlets from triplets, is applied to two quantum liquids coupled by tunneling through a barrier. An exact expression is derived, relating the eigenstates and eigenvalues of the Kohn-Sham equations, unperturbed by tunneling, on one side of the barrier to the proximity-induced ordering potential on the other.

Item Type:	Article
DOI/Identification number:	10.1103/PhysRevB.78.205426
Uncontrolled keywords:	Physics of Quantum Materials
Subjects:	Q Science > QC Physics
Divisions:	Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User:	Jorge Quintanilla Tizon
Date Deposited:	02 Dec 2010 19:04 UTC
Last Modified:	05 Nov 2024 10:06 UTC
Resource URI:	https://kar.kent.ac.uk/id/eprint/26086 (The current URI for this page, for reference purposes)

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Density-functional description of superconducting and magnetic proximity effects across a tunneling barrier. (deposited 02 Dec 2010 19:04) [Currently Displayed]

University of Kent Author Information

Quintanilla, Jorge.

Creator's ORCID:	https://orcid.org/0000-0002-8572-730X
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