Superconducting proximity effect in a diffusive ferromagnet with spin-active interfaces

Cottet, Audrey; Belzig, Wolfgang

Superconducting proximity effect in a diffusive ferromagnet with spin-active interfaces

Dateien

Superconducting_proximity_effect_in_a_diffusive_ferromagnet_with_spin_active_interfaces.pdfGröße: 148.65 KBDownloads: 323

Datum

2005

Autor:innen

Cottet, Audrey

Belzig, Wolfgang

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Review B. 2005, 72, 180503. Available under: doi: 10.1103/PhysRevB.72.180503

Zusammenfassung

We reconsider the problem of the superconducting proximity effect in a diffusive ferromagnet bounded by tunneling interfaces, using spin-dependent boundary conditions. This introduces for each interface a phase-shifting conductance G Φ which results from the spin dependence of the phase shifts acquired by electrons upon scattering on the interface. We show that G Φ strongly affects the density of states and supercurrents predicted for superconducting/ferromagnetic hybrid circuits. We show the relevance of this effect by identifying clear signatures of G Φ in the data of T.Kontos et al. [Phys. Rev. Lett. 86, 304 (2001), 89, 137007 (2002)].

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

COTTET, Audrey, Wolfgang BELZIG, 2005. Superconducting proximity effect in a diffusive ferromagnet with spin-active interfaces. In: Physical Review B. 2005, 72, 180503. Available under: doi: 10.1103/PhysRevB.72.180503

BibTex

@article{Cottet2005Super-5126,
  year={2005},
  doi={10.1103/PhysRevB.72.180503},
  title={Superconducting proximity effect in a diffusive ferromagnet with spin-active interfaces},
  volume={72},
  journal={Physical Review B},
  author={Cottet, Audrey and Belzig, Wolfgang},
  note={Article Number: 180503}
}

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