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Physics Letters A

Volume 54, Issue 5, 6 October 1975, Pages 383-384
Physics Letters A

Exact study of magnetic superheating of thin cylinders in axial magnetic fields for small κ-values☆

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Abstract

We have solved the Ginzburg-Landau (GL) equations for cylinders is an axial magnetic field for various κ-values and radii a and found the largest magnetic field, the superheating field Ho, for which solutions of the GL equations exist. Ho has a minimum at about 1.58Hc (Hc ≏ bulk thermodynamic critcal field for a ≈ 4.2 λ(T) for all κ < 0.5.

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☆

Supported in part by NSF grant ENG 73-08279 A01 and a faculty research grant from the University of California.

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