Physics – Condensed Matter – Superconductivity
Scientific paper
2001-01-18
Physical Review B, Volume 64, 144504 (2001)
Physics
Condensed Matter
Superconductivity
23 pages, 16 figures
Scientific paper
10.1103/PhysRevB.64.144504
We study coherent multiple Andreev reflections in quantum SNS junctions of finite length and arbitrary transparency. The presence of superconducting bound states in these junctions gives rise to great enhancement of the subgap current. The effect is most pronounced in low-transparency junctions, $D\ll1$, and in the interval of applied voltage $\Delta/2
Ingerman Å.
Johansson Goran
Shumeiko Vitaly S.
Wendin Goran
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