Minimal Surfaces & the Intermediate State of Type-I Superconductors
Abstract
The geometry of the intermediate state (IS) flux structures of type-I superconductors, observed during early stages of magnetic flux penetration induced by an externally applied perpendicular magnetic field, is approached in terms of minimal surfaces. This approach follows from the assumption that a local free energy minimization constraint, for each individual flux structure, dominates for sufficiently spatially separated magnetic flux regions, i.e. when over global free energy minimization predicts very low periodicity of sample intermediate state.
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