Out-of-Equilibrium Dynamics of the Vortex Glass in Superconductors
Sebastian Bustingorry, Leticia F. Cugliandolo, Daniel Domínguez
DOI 10.1103/PhysRevLett.96.027001 · Physical Review Letters
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Abstract
We study the relaxational dynamics of flux lines in high-temperature superconductors with random pinning using Langevin dynamics. At high temperatures the dynamics is stationary and the fluctuation dissipation theorem (FDT) holds. At low temperatures the system does not equilibrate with its thermal bath: a simple multiplicative aging is found, the FDT is violated, and we find that an effective temperature characterizes the slow modes of the system. The generic features of the evolution—scaling laws—are dictated by those of the single elastic line in a random environment.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7-δ 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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