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arXiv · 2005.05702

Magnetically-textured superconductivity in elemental Rhenium

Gábor Csire·James Annett·Jorge Quintanilla·Balázs Újfalussy
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Abstract

Recent $\mu$SR measurements revealed remarkable signatures of spontaneous magnetism coexisting with superconductivity in elemental rhenium. Here we provide a quantitative theory that uncovers the nature of the superconducting instability by incorporating every details of the electronic structure together with spin-orbit coupling and multi-orbital physics. We show that conventional $s$-wave superconductivity combined with strong spin-orbit coupling is inducing even-parity odd-orbital spin triplet Cooper pairs, and in presence of a screw axis Cooper pairs' migration between the induced equal-spin triplet component leads to an exotic magnetic state.

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Gábor Csire, James Annett, Jorge Quintanilla, Balázs Újfalussy. 2020-05-12. Magnetically-textured superconductivity in elemental Rhenium. https://doi.org/10.1103/physrevb.106.l020501

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