Resonant Andreev reflections in superconductor–carbon-nanotube devices
Yadong Wei, Jian Wang, Hong Guo, Hatem Mehrez, Christopher Roland
DOI 10.1103/PhysRevB.63.195412 · Physical Review B
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Abstract
Resonant Andreev reflection through superconductor-carbon-nanotube devices was investigated theoretically with a focus on the superconducting proximity effect. Consistent with a recent experiment, we find that for on-resonance high-transparency devices, the Andreev current is characterized by a large value and a resistance dip; low-transparency off-resonance devices give the opposite result. We also give evidence that the observed low-temperature transport anomaly may be a natural result of the Andreev reflection process.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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