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24 October 2021
  » arxiv » cond-mat/0010089

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Oscillations of Andreev states in clean ferromagnetic films
M. Zareyan ; W. Belzig ; Yu.V. Nazarov ;
Date 5 Oct 2000
Journal Phys. Rev. Lett. 86, 308 (2001)
Subject Superconductivity; Mesoscopic Systems and Quantum Hall Effect | cond-mat.supr-con cond-mat.mes-hall
Affiliation1 and 2), W. Belzig , and Yu.V. Nazarov ( TU Delft, Netherlands IASBS Zanjan, Iran
AbstractWe investigate the influence of the exchange field on the Andreev bound states in a ferromagnetic (F) film backed on one side by a superconductor (S). Our model accounts for diffusive reflection at the outer surface and possible backscattering at the FS-interface. Phase shifting of the Andreev level by the exchange field results in an oscillatory behaviour of the density of states of F as a function of the layer thickness. We show that our results agree quantitatively with recent experiments.
Source arXiv, cond-mat/0010089
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