Archivio Istituzionale della RicercaI 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(As1-xPx)2, a rich and complex phase diagram arises, with two different ranges of temperature in which superconductivity appears.
Eliashberg Theory of a Multiband Non-Phononic Spin Glass Superconductor / Ummarino, Giovanni Alberto. - In: MAGNETOCHEMISTRY. - ISSN 2312-7481. - 6:4(2020), p. 51. [10.3390/magnetochemistry6040051]
Eliashberg Theory of a Multiband Non-Phononic Spin Glass Superconductor
Ummarino, Giovanni Alberto
2020
Abstract
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(As1-xPx)2, a rich and complex phase diagram arises, with two different ranges of temperature in which superconductivity appears.
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https://hdl.handle.net/11583/2848941