Regensburg 2022 – scientific programme
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MM: Fachverband Metall- und Materialphysik
MM 23: Computational Materials Modelling: Magnetic & Electrical Properties
MM 23.3: Talk
Wednesday, September 7, 2022, 16:15–16:30, H44
Magnetically-textured superconductivity in elemental Rhenium — Gabor Csire1, James F Annett2, •Jorge Quintanilla3, and Balazs Újfalussy4 — 1ICN2, Barcelona, Spain — 2University of Bristol, Bristol, United Kingdom — 3University of Kent, Canterbury, United Kingdom — 4Wigner Research Centre for Physics, Budapest, Hungary
Recent μSR 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.