Andreev current in finite sized carbon nanotubes

Details Andreev current in finite sized carbon nanotubes Andreev current in finite sized carbon nanotubes

2002-06-13

arxiv.org/abs/cond-mat/0206245v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 figures

Scientific paper

10.1103/PhysRevB.66.165411

We investigate the effect of interactions on Andreev current at a normal-superconducting junction when the normal phase is a Luttinger liquid with repulsive interactions. In particular, we study the system of a finite sized carbon nanotube placed between one metallic and one superconducting lead. We show that interactions and finite size effects give rise to significant deviations from the standard picture of Andreev current at a normal- superconductor junction in the nearly perfect Andreev limit.

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