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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2007

Vortex States Induced by Proximity Effect in Hybrid Ferromagnet-Superconductor Systems

Résumé

We consider superconductivity nucleation in multiply connected mesoscopic samples such as thin-walled cylinders or rings placed in electrical contact with a ferromagnet. The superconducting critical temperature and order parameter structure are studied on the basis of linearized Usadel equations. We suggest a mechanism of switching between the superconducting states with different vorticities caused by the exchange field and associated with the oscillatory behavior of the Cooper pair wave function in a ferromagnet.

Dates et versions

hal-00401252 , version 1 (02-07-2009)

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A. V. Samokhvalov, A. S. Mel'Nikov, Alexandre I. Buzdin. Vortex States Induced by Proximity Effect in Hybrid Ferromagnet-Superconductor Systems. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 76 (18), pp.184519 (7). ⟨10.1103/PhysRevB.76.184519⟩. ⟨hal-00401252⟩

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