BUZDIN, Alexandre I.

doi:10.1103/PhysRevLett.101.107005

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BUZDIN, Alexandre I.
Institut universitaire de France [IUF]
Centre de physique moléculaire optique et hertzienne [CPMOH]

Langue

Article de revue

Ce document a été publié dans

Physical Review Letters. 2008-09-05, vol. 101, p. 107005

American Physical Society

Résumé en anglais

We study the proximity effect between conventional superconductor and magnetic normal metal with a spin-orbit interaction of the Rashba type. Using the phenomenological Ginzburg-Landau theory and the quasiclassical Eilenberger approach it is demonstrated that the Josephson junction with such a metal as a weak link has a special non-sinusoidal current-phase relation. The ground state of this junction is caracterized by the finite phase difference Phi, which is proportional to the strength of the spin-orbit interaction and the exchange field in the normal metal. The proposed mechanism of the Phi junction formation gives a direct coupling between the superconducting current and the magnetic moment in the weak link. Therefore the Phi junctions open interesting perspectives for the superconducting spintronics.< Réduire

DOI

http://dx.doi.org/10.1103/PhysRevLett.101.107005

Project ANR

Electronic EPR Source - ANR-07-NANO-0011

Origine

Importé de hal

Unités de recherche

Laboratoire Ondes et Matière d'Aquitaine (LOMA) - UMR 5798