Determination of electric field distributions in superconductors via magneto-optical imaging and the Faraday law
Ch. Jooss, V. Born
DOI 10.1103/PhysRevB.73.094508 · Physical Review B
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Abstract
The determination of electric field distributions within superconductors is of fundamental importance for both basic research and applications. The analysis of electric fields allows insights into different modes of vortex dynamics in superconductors as well as the determination of local maxima of dissipation which could destabilize superconducting transport. We present an analysis of electric field distributions for thin films in magnetization experiments. We show that electric field distributions can be determined experimentally by time-resolved magneto-optical measurements of flux density distributions via the Faraday law. We give a detailed analysis of the inductive and the potential contributions to the electric fields Ei and Ep, respectively. Experimental results are demonstrated for a magnetized square-shaped YBa2Cu3O6.95 thin film.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O6.95 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Nd1.85Ce0.15CuO4 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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