Limitations on the Ginzburg criterion for dirty superconductors
classification
❄️ cond-mat.supr-con
cond-mat.stat-mech
keywords
contributionscriteriondirtyginzburgheatspecificsuperconductorsadditional
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The contributions of superconducting fluctuations to the specific heat of dirty superconductors are calculated, including quantum and classical corrections to the `usual' leading Gaussian divergence. These additional terms modify the Ginzburg criterion, which is based on equating these fluctuation-generated contributions to the mean-field discontinuity in the specific heat, and set limits on its applicability for materials with a low transition temperature.
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