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Article

Eliashberg Theory of a Multiband Non-Phononic Spin Glass Superconductor

1
Istituto di Ingegneria e Fisica dei Materiali, Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
2
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashira Hwy 31, 115409 Moscow, Russia
Magnetochemistry 2020, 6(4), 51; https://doi.org/10.3390/magnetochemistry6040051
Received: 16 September 2020 / Revised: 1 October 2020 / Accepted: 6 October 2020 / Published: 16 October 2020
(This article belongs to the Special Issue Superconductivity and Magnetism)
I solved the Eliashberg equations for a multiband non-phononic s± wave spin-glass superconductor, calculating the temperature dependence of the gaps and of superfluid density. Their behaviors were revealed to be unusual: showing non-monotonic temperature dependence and reentrant superconductivity. By considering particular input parameters values that could describe the iron pnictide EuFe2(As1xPx)2, a rich and complex phase diagram arises, with two different ranges of temperature in which superconductivity appears. View Full-Text
Keywords: superconductivity and magnetism; Fe-based superconductors; multiband Eliashberg theory; spin-glasses superconductivity and magnetism; Fe-based superconductors; multiband Eliashberg theory; spin-glasses
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MDPI and ACS Style

Ummarino, G.A. Eliashberg Theory of a Multiband Non-Phononic Spin Glass Superconductor. Magnetochemistry 2020, 6, 51. https://doi.org/10.3390/magnetochemistry6040051

AMA Style

Ummarino GA. Eliashberg Theory of a Multiband Non-Phononic Spin Glass Superconductor. Magnetochemistry. 2020; 6(4):51. https://doi.org/10.3390/magnetochemistry6040051

Chicago/Turabian Style

Ummarino, Giovanni Alberto. 2020. "Eliashberg Theory of a Multiband Non-Phononic Spin Glass Superconductor" Magnetochemistry 6, no. 4: 51. https://doi.org/10.3390/magnetochemistry6040051

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