Flux creep and vortex potential well structure in high-temperature superconductors

Elia Zeldov

Physica A: Statistical Mechanics and its Applications, 1990, vol. 168, issue 1, 260-267

Abstract: The resistive transition and the V-I characteristics in the presence of a magnetic field in epitaxial films of YBa2Cu3O7, Bi2Sr2CaCu2O8, YBa2Cu2.985Ag0.015O7, and GdBa2Cu3O7/ YBa2Cu3O7 multilayers have been investigated. The common qualitative features of all the systems are the current dependent thermally activated resistivity and the power law V-I characteristics at elevated current densities. An extended flux creep model, which incorporates the shape of the vortex potential well, is shown to account for these results.

Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:168:y:1990:i:1:p:260-267

DOI: 10.1016/0378-4371(90)90376-4

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