Ordering dynamics in Type-II superconductors

Details Ordering dynamics in Type-II superconductors Ordering dynamics in Type-II superconductors

2006-06-30

arxiv.org/abs/cond-mat/0607002v1

Physics

Condensed Matter

Superconductivity

9 pages, 7 figures

Scientific paper

10.1103/PhysRevE.74.066202

We use analytic and numerical methods to analyze the dynamics of vortices following the quench of a Type-II superconductor under the application of an external magnetic field. In three dimensions, in the absence of a field, the spacing between vortices scales with time t with an exponent phi=0.414 +/- 0.01, In a thin sheet of superconductor, the scaling exponent is phi=0.294 +/- 0.01. When an external magnetic field h is applied, the vortices are confined with respect to the length scale of the Abrikosov lattice, leading to a crossover between the power-law scaling length scale and the lattice length scale. From this we suggest a one-parameter scaling of dr/dt with h and r that is consistent with numerical data.

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