Ring-Shaped Vortex Domain in Type-II Superconductors
A. Gröger, A. Böhm, U. Beyer, B. Ya. Shapiro, I. Shapiro, P. Wyder
DOI 10.1103/PhysRevLett.90.237004 · Physical Review Letters
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Abstract
We present results of experiments in superconducting niobium and numerical simulations showing the creation of a metastable ring-shaped vortex domain by heating. Such vortex rings, if pinned by structural defects, can exist forever.
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. | — | Pressure not reported | unknown |
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