Thermal vortices in superconducting fractals

R. Meyer, Ch. Nussbaum, J.L. Gavilano, B. Jeanneret, Ch. Leemann and P. Martinoli

Physica A: Statistical Mechanics and its Applications, 1992, vol. 191, issue 1, 458-463

Abstract: A study of the zero-field ac response of a wire network of interconnected 6th-order Sierpiński gaskets as a function of temperature is presented. In a narrow temperature range below the superconducting-to-normal transition thermally nucleated vortices dominate the response. A theoretical model treating the vortices as Brownian particles moving about in the hierarchical potential-energy landscape of the fractal lattice is developed and its predictions are found to agree with the experimental observations.

Date: 1992
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:191:y:1992:i:1:p:458-463

DOI: 10.1016/0378-4371(92)90568-B

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