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arXiv · 0706.2584

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

A. V. Samokhvalov·A. S. Mel'nikov·A. I. Buzdin
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Abstract

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.

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A. V. Samokhvalov, A. S. Mel'nikov, A. I. Buzdin. 2007-06-18. Vortex States Induced by Proximity Effect in Hybrid Ferromagnet-Superconductor Systems. https://doi.org/10.1103/physrevb.76.184519

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