Odd-frequency superconductivity in dilute magnetic superconductors

12 Aug 2020  ·  Santos Flávio L. N., Perrin Vivien, Jamet François, Civelli Marcello, Simon Pascal, Aguiar Maria C. O., Miranda Eduardo, Rozenberg Marcelo J. ·

We show that dilute magnetic impurities in a conventional superconductor give origin to an odd-frequency component of superconductivity, manifesting itself in Yu-Shiba-Rusinov bands forming within the bulk superconducting gap. Our results are obtained in a general model solved within the dynamical mean field theory... By exploiting a disorder analysis and the limit to a single impurity, we are able to provide general expressions that can be used to extract explicitly the odd-frequency superconducting function from scanning tunneling measurements. read more

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Superconductivity Strongly Correlated Electrons