Superfluid density in conventional superconductors: from clean to strongly disordered

The highly convergent form of superfluid density in disordered conventional superconductors. available in the literature and independently obtained by us following the approach of an earlier paper [Phys. Rev. B $\bm{102}$, 024514 (2020)] has been reformulated to separate out the generally used so-ca...

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Veröffentlicht in:Journal of physics. Condensed matter 2022-08, Vol.34 (33), p.335601
Hauptverfasser: Dutta, Surajit, Raychaudhuri, Pratap, Mandal, Sudhansu S, Ramakrishnan, T V
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creator Dutta, Surajit
Raychaudhuri, Pratap
Mandal, Sudhansu S
Ramakrishnan, T V
description The highly convergent form of superfluid density in disordered conventional superconductors. available in the literature and independently obtained by us following the approach of an earlier paper [Phys. Rev. B $\bm{102}$, 024514 (2020)] has been reformulated to separate out the generally used so-called `dirty-limit' term and an additional term. We use this new expression for making an extensive comparison with previously published experimental data and show that the former, generally used, term is {\it not} sufficient for analyzing these results. We point out that consequently, there is a large regime (disordered superconductors with moderate to no disorder) where theoretical predictions need to be confronted with experiment.
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subjects disordered superconductor
london limit
strongly disorder limit
superfluid density
title Superfluid density in conventional superconductors: from clean to strongly disordered
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