Publikation:

Interaction-Induced Renormalization of Andreev Reflection

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PhysRevLett_97_237006.pdf
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2006

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Titov, M.
Müller, M.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-32441
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https://doi.org/10.1103/PhysRevLett.97.237006
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Published

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Physical Review Letters. 2006, 97(23). ISSN 0031-9007. Available under: doi: 10.1103/PhysRevLett.97.237006

Zusammenfassung

We analyse the charge transport between a one-dimensional weakly interacting electron gas and a superconductor within the scaling approach in the basis of scattering states. We derive the renormalization group equations, which fully account for the intrinsic energy dependence due to Andreev reflection. A strong renormalization of the corresponding reflection phase is predicted even for a perfectly transparent metal-superconductor interface. The interaction-induced suppression of the Andreev conductance is shown to be highly sensitive to the normal-state resistance, providing a possible explanation of experiments with carbon-nanotube/superconductor junctions by Morpurgo et al.

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ISO 690TITOV, M., M. MÜLLER, Wolfgang BELZIG, 2006. Interaction-Induced Renormalization of Andreev Reflection. In: Physical Review Letters. 2006, 97(23). ISSN 0031-9007. Available under: doi: 10.1103/PhysRevLett.97.237006
BibTex
@article{Titov2006Inter-5323,
  year={2006},
  doi={10.1103/PhysRevLett.97.237006},
  title={Interaction-Induced Renormalization of Andreev Reflection},
  number={23},
  volume={97},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Titov, M. and Müller, M. and Belzig, Wolfgang}
}
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