Ordering dynamics in type-II superconductors
Nicholas Guttenberg, Nigel Goldenfeld
DOI 10.1103/PhysRevE.74.066202 · Physical Review E
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Abstract
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 ϕ=0.414±0.01, in a thin sheet of a superconductor, the scaling exponent is ϕ=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 ṙ with h and r that is consistent with numerical data.
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