Interaction-Induced Renormalization of Andreev Reflection
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2006
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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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530 Physik
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TITOV, M., M. MÃœLLER, 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.97.237006BibTex
@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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