Noise Correlations in Three-Terminal Diffusive Superconductor–Normal-Metal–Superconductor Nanostructures
B. Kaviraj, O. Coupiac, H. Courtois, F. Lefloch
DOI 10.1103/PhysRevLett.107.077005 · Physical Review Letters
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Abstract
We present measurements of current noise and cross correlations in three-terminal superconductor–normal-metal–superconductor (S-N-S) nanostructures that are potential solid-state entanglers thanks to Andreev reflections at the N-S interfaces. The noise-correlation measurements spanned from the regime where electron-electron interactions are relevant to the regime of incoherent multiple Andreev reflection. In the latter regime, negative cross correlations are observed in samples with closely spaced junctions.
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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