Measurement of the Current-Phase Relation of Superconducting Atomic Contacts
M. L. Della Rocca, M. Chauvin, B. Huard, H. Pothier, D. Esteve, C. Urbina
DOI 10.1103/PhysRevLett.99.127005 · Physical Review Letters
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Abstract
We have probed the current-phase relation of an atomic contact placed with a tunnel junction in a small superconducting loop. The measurements are in quantitative agreement with the predictions of a resistively shunted SQUID model in which the Josephson coupling of the contact is calculated using the independently determined transmissions of its conduction channels.
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 not reported | unknown |
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