A relationship between nonunitary mixed parity superconductivity and magnetism with spin-orbit coupling

Takehito Yokoyama

doi:10.7566/jpsj.95.054705

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arXiv · 2505.10336

A relationship between nonunitary mixed parity superconductivity and magnetism with spin-orbit coupling

Takehito Yokoyama

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Abstract

We show that Hamiltonian for nonunitary mixed parity superconductivity can be recast into that for magnetism with spin-orbit coupling by the Schrieffer-Wolff transformation, indicating that nonunitary mixed parity superconductivity and magnetism with spin-orbit coupling can share the same physics. As demonstrations, we discuss the Dzyaloshinskii-Moriya type interactions, magnetoelectric effect, supercurrent-induced spin current, and altermagnetism in nonunitary mixed parity superconductors. All these effects originate purely from superconductivity, without any magnetism and spin-orbit coupling.

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Takehito Yokoyama. 2025-05-15. A relationship between nonunitary mixed parity superconductivity and magnetism with spin-orbit coupling. https://doi.org/10.7566/jpsj.95.054705

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