Correlation length and fluctuations in inhomogeneous superconductors |
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| Authors: | B Giovannini |
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| Institution: | Département de la Matière Condensée, 32, Bd. d''Yvoy, 1211 Geneva 4, Switzerland |
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| Abstract: | The correlation length and the effect of fluctuations of the grains are calculated for weakly coupled granular superconductors, using a two order parameter Ginzburg-Landau-Wilson functional. The main effect of fluctuations is shown to be a shift of the coherent transition temperature, and the correlation length is compared to the corresponding expression in strongly coupled granular superconductors. |
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