Quintanilla, J. 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.
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| Official URL http://dx.doi.org/10.1103/PhysRevB.78.205426 |
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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 |
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| Subjects: | Q Science > QC Physics |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Physical Sciences > Functional Materials Group |
| Depositing User: | J. Quintanilla-Tizon |
| Date Deposited: | 02 Dec 2010 19:04 |
| Last Modified: | 13 Dec 2011 14:20 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/26086 (The current URI for this page, for reference purposes) |
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