Abstract
We report the importance of the induction planar component B x in the relaxation of the remanent state in thin superconducting samples. Analysis based on the one-dimensional rate equation for thermally activated flux motion, which considers only the normal component B z , yields unphysical divergence of the average flux line velocity as the neutral line is approached. Two-dimensional analysis resolves this problem and yields a modified scenario for the flux creep process in which vortex bending and the neutral line play a major role. These results are demonstrated in analysis of the local relaxation data obtained from a thin Nd 1.85Ce 0.15CuO 4− δ crystal in the remanent state.
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