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Elementary charge transfer processes in a superconductor-ferromagnet entangler

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2008

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Morten, Jan Petter
Huertas-Hernando, Daniel
Brataas, Arne

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https://doi.org/10.1209/0295-5075/81/40002
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EPL (Europhysics Letters). Institute of Physics Publishing (IOP). 2008, 81(4), 40002. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/0295-5075/81/40002

Zusammenfassung

We study the production of spatially separated entangled electrons in ferromagnetic leads from Cooper pairs in a superconducting lead. We give a complete description of the elementary charge transfer processes, i) transfer of Cooper pairs out of the superconductor by Andreev reflection and ii) distribution of the entangled quasiparticles among the ferromagnetic leads, in terms of their statistics. The probabilities that entangled electrons flow into spatially separated leads are completely determined by experimentally measurable tunnel conductances and polarizations. Finally, we investigate how currents, noise and cross-correlations are affected by transport of entangled electrons.

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530 Physik

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ISO 690MORTEN, Jan Petter, Daniel HUERTAS-HERNANDO, Wolfgang BELZIG, Arne BRATAAS, 2008. Elementary charge transfer processes in a superconductor-ferromagnet entangler. In: EPL (Europhysics Letters). Institute of Physics Publishing (IOP). 2008, 81(4), 40002. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/0295-5075/81/40002
BibTex
@article{Morten2008Eleme-60016,
  year={2008},
  doi={10.1209/0295-5075/81/40002},
  title={Elementary charge transfer processes in a superconductor-ferromagnet entangler},
  number={4},
  volume={81},
  issn={0295-5075},
  journal={EPL (Europhysics Letters)},
  author={Morten, Jan Petter and Huertas-Hernando, Daniel and Belzig, Wolfgang and Brataas, Arne},
  note={Article Number: 40002}
}
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