Abstract
The influence of fractal clusters of a normal phase on the dynamics of vortices in a percolation superconductor is considered. It is established that a vortex glass state is formed in superconductors with a fractal cluster structure. The vortex glass phase can be identified by the initial part of its current-voltage characteristic. The dependence of the glassy exponent on the fractal dimension of normal phase cluster boundaries is found.
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Original Russian Text © Yu.I. Kuzmin, 2010, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 36, No. 9, pp. 17–25.
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Kuzmin, Y.I. Vortex glass state in superconductors with fractal clusters of normal phase. Tech. Phys. Lett. 36, 400–403 (2010). https://doi.org/10.1134/S1063785010050032
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DOI: https://doi.org/10.1134/S1063785010050032