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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 | | Affiliation: | 1 and 2), W. Belzig , and Yu.V. Nazarov ( TU Delft, Netherlands IASBS Zanjan, Iran | | Abstract: | We 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 | | Services: | Forum | Review | PDF | Favorites | |
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