Localization Effects on the Critical Current of a Superconductor—Normal-Metal—Superconductor Junction
Hideaki Takayanagi, Jørn Bindslev Hansen, Junsaku Nitta
DOI 10.1103/PhysRevLett.74.162 · Physical Review Letters
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Abstract
Interaction effects associated with Anderson localization are confirmed for the critical current in a superconductor—normal-metal—superconductor junction using p-type InAs as the normal metal. In the weak localization regime and with decreasing temperature the critical current shows a saturated temperature dependence which agrees well with a theoretical prediction. In the strong localization regime the critical current decreases with lowering temperature.
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. | 6 | Pressure not reported | unknown |
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