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

Quintanilla, Jorge and Capelle, Klaus and Oliveira, Luiz N. (2008) Density-functional description of superconducting and magnetic proximity effects across a tunneling barrier. Physical Review B, 78 (20). pp. 1-10. (Full text available)

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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
Subjects: Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences > Functional Materials Group
Depositing User: Jorge Quintanilla
Date Deposited: 02 Dec 2010 19:04
Last Modified: 07 Apr 2014 11:12
Resource URI: http://kar.kent.ac.uk/id/eprint/26086 (The current URI for this page, for reference purposes)

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