| PDF - Published Version (275kB) | |
| PDF - Accepted Version arXiv PDF (11.04.2005) (343kB) | |
| PDF - Submitted Version arXiv PDF (12.01.2005) (336kB) |
- URN to cite this document:
- urn:nbn:de:bvb:355-epub-15326
- DOI to cite this document:
- 10.5283/epub.1532
Abstract
We study Andreev reflection in a ballistic one- dimensional channel coupled in parallel to a superconductor via a tunnel barrier of finite length {\it L}. The dependence of the low-energy Andreev reflection probability {\it R$_{A}$} on {\it L} reveals the existence of a characteristic length scale {\it $\xi$;$_{N}$} beyond which {\it R$_{A}$(L)} is enhanced up to unity despite the low ...
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