Defect formation in long Josephson junctions
Anna V. Gordeeva, Andrey L. Pankratov
DOI 10.1103/PhysRevB.81.212504 · Physical Review B
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Abstract
We study numerically a mechanism of vortex formation in a long Josephson junction within the framework of the one-dimensional sine-Gordon model. This mechanism is switched on below the critical temperature. It is shown that the number of fluxons versus velocity of cooling roughly scales according to the power law with the exponent of either 0.25 or 0.5 depending on the temperature variation in the critical current density.
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