Mesoscopic cross-film cryotrons: Vortex trapping and dc-Josephson-like oscillations of the critical current
A. Yu. Aladyshkin, G. W. Ataklti, W. Gillijns, I. M. Nefedov, I. A. Shereshevsky, A. V. Silhanek, J. Van de Vondel, M. Kemmler, R. Kleiner, D. Koelle, V. V. Moshchalkov
DOI 10.1103/PhysRevB.83.144509 · Physical Review B
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Abstract
We investigate theoretically and experimentally the transport properties of a plain Al superconducting strip in the presence of a single straight current-carrying wire, oriented perpendicular to the superconducting strip. It is well known that the critical current of the superconducting strip, Ic, in such a cryotron-like system can be tuned by changing the current in the control wire, Iw. We demonstrated that the discrete change in the number of the pinned vortices/antivortices inside the narrow and long strip nearby the current-carrying wire results in a peculiar oscillatory dependence of Ic on Iw.
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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