SAMOKHVALOV, A. V.; MEL'NIKOV, A. S.; ADER, Jean-Pierre; BUZDIN, Alexandre I.

doi:10.1103/PhysRevB.79.174502

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SAMOKHVALOV, A. V.
Institute for Physics of Microstructures of the RAS

MEL'NIKOV, A. S.
Institute for Physics of Microstructures of the RAS

ADER, Jean-Pierre
Centre de physique moléculaire optique et hertzienne [CPMOH]

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Physical Review B: Condensed Matter and Materials Physics (1998-2015). 2009, vol. 79, p. 174502 (1-7)

American Physical Society

Resumen en inglés

On the basis of of linearized Usadel equations we consider superconductivity nucleation in multiply connected mesoscopic superconductor/ferromagnet hybrids such as thin-walled superconducting cylinders placed in electrical contact with a ferromagnetic metal. We study the interplay between the oscillations of $T_c$ due to the Little--Parks effect and the oscillations due to the exchange field. We demonstrate that the exchange field provokes the switching between the superconducting states with different vorticities and this may result in the increase the critical temperature of the superconducting transition in the magnetic field. Moreover we analyse the influence of the S/F transparency on the realisation of the states with higher vorticities.< Leer menos

DOI

http://dx.doi.org/10.1103/PhysRevB.79.174502

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Electronic EPR Source

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