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Persistent URL http://purl.org/net/epubs/work/43433
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Record Id 43433
Title Density-functional description of superconducting and magnetic proximity effects across a tunneling barrier
Abstract A density-functional formalism for superconductivity *and* magnetism is presented. The resulting relations unify previously derived Kohn-Sham equations for superconductors and for non-collinear 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.
Organisation ISIS , ISIS-THEORY , STFC
Keywords 74.78.Fk , Materials , Physics , 74.45.+c , 71.15.Mb , 75.70.Cn , 74.20.Rp
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Language English (EN)
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Journal Article Phys Rev B 78, no. 20 (2008): 205426. doi:10.1103/PhysRevB.78.205426 2008-Quintanilla-Capelle-Oliveira.pdf 2008