Scaling of I-V characteristics of Superconducting wire networks at irrational uniform frustration
F. Yu, N. E. Israeloff, A. M. Goldman, R. Bojko
DOI 10.1103/PhysRevLett.68.2535 · Physical Review Letters
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Abstract
Current-voltage characteristics of uniform Al wire networks with various values of frustration index f are found to be consistent with a transition to a fully superconducting (R=0) state. Scaling of these characteristics, usually indicative of a continuous transition, is found to occur at special irrational f values such as the inverse golden mean τ−1 but not at nearby low-order rationals. London-loop simulations for these cases suggest a self-similar ground state which is most likely never attained due to the presence of nearly degenerate disordered states such as those found in glasses.
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. | 1.269 | Pressure unresolved | unknown |
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