Physics – Condensed Matter – Superconductivity
Scientific paper
2007-02-07
Physics
Condensed Matter
Superconductivity
4 pages including 1 figure
Scientific paper
The recently observed (1) equipartition of current in parallel at and below the Normal-Superconducting (N-S) transition can be understood in terms of a Landau-Ginzburg order-parameter phenomenology. This complements the explanation proposed earlier (1) based on the flux-flow resistance providing a nonlinear negative current feedback towards equipartition when the transition is approached from above. The present treatment also unifies the usual textbook inductive subdivision expected much below T_c, and the equipartition as T_c is approached from below. The question of metastability is also briefly discussed.
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