Phase States of Multiterminal Mesoscopic Normal-Metal–Superconductor Structures
P. Virtanen, J. Zou, I. Sosnin, V. T. Petrashov, T. T. Heikkilä
DOI 10.1103/PhysRevLett.99.217003 · Physical Review Letters
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Abstract
We study a mesoscopic normal-metal structure with four superconducting contacts, two of which are joined into a loop. The structure undergoes transitions between three (meta)stable states, with different phase configurations triggered by nonequilibrium conditions. These transitions result in spectacular changes in the magnetoresistance. We find a qualitative agreement between the experiments and a theory based on the quasiclassical Keldysh formalism.
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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