Resonant Cooper Pair Tunneling through a Double-Island Qubit
E. Bibow, P. Lafarge, L. P. Lévy
DOI 10.1103/PhysRevLett.88.017003 · Physical Review Letters
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Abstract
We have measured transport in the Coulomb blockade regime through a quantum system consisting of two superconducting islands coupled by a Josephson junction. The double island is weakly connected to leads by small superconducting tunnel junctions. At low bias voltages, a new resonant transport process for Cooper pairs is observed. The results show that Cooper pair transport can be used as a probe of the macroscopic energy levels of the double island.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure unresolved | unknown |
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