Volume 39, Number 5, September I 1997
|Page(s)||551 - 556|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Dynamical instability of the flux front in type-II superconductors
Institute of Superconductivity, Department of Physics,
Bar-Ilan University, Ramat Gan 52900, Israel
Accepted: 21 July 1997
It is shown that a plane front of magnetic flux entering into a type-II super conductor manifests an instability. This instability is caused by the positive feedback between the front heating and vortex flux diffusion in the superconductor. The instability gives rise to a spatially inhomogeneous flux state in the sample.
PACS: 74.60.Ge – Flux pinning, flux creep, and flux-line lattice dynamics
© EDP Sciences, 1997
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