Coexistence of p-wave magnetism and superconductivity

Pavlo Sukhachov; Hans Gløckner Giil; Bjørnulf Brekke; Jacob Linder

doi:10.1103/PhysRevB.111.L220403

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Coexistence of p-wave magnetism and superconductivity

Pavlo Sukhachov, Hans Gløckner Giil, Bjørnulf Brekke, Jacob Linder

DOI 10.1103/PhysRevB.111.L220403 · Physical Review B

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Abstract

The symmetry requirements for realizing unconventional compensated magnets with spin-polarized bands such as altermagnets have recently been uncovered. The most recent addition to this family of magnets is parity-odd or p-wave magnets. We demonstrate that p-wave magnets are perfectly compatible with superconductivity due to the spin polarization of their electron bands and that they induce unexpected spin transport phenomena. We first show that p-wave magnetism can coexist with conventional superconductivity regardless of the magnitude of the spin splitting. We then predict that p-wave magnets induce a charge-to-spin conversion, which can be strongly enhanced by the presence of superconductivity providing a way to probe the coexistence in experiments. Our results open an avenue for material combinations with a synergetic relation between spintronics and superconductivity.