Odd-parity-wave magnets host magnons with zero spin but a collinear out-of-plane orbital magnetic moment, leading to a linear magnon Edelstein effect and nonreciprocal orbital currents.
Nonlinear Magnon Magnetic Moment Transport in Triangular-Lattice f-Wave Antialtermagnets
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abstract
We study the spin excitations in the frustrated coplanar 120-degree ground state of the triangular-lattice Heisenberg antiferromagnet and demonstrate that they carry a magnetic moment perpendicular to the plane in which the spins order, despite the ground-state sublattice moments having no out-of-plane component. The symmetry of the momentum dependence of the magnetic moment and energy of the magnons renders the system an odd-parity f-wave magnet. Extending this model to a stack of antiferromagnetically coupled triangular layers provides a realization of magnons in a three-dimensional f-wave antialtermagnet. We show that nonlinear thermal transport effects of magnons, such as Edelstein and spin-splitter effects, provide clear experimental signatures of magnons in f-wave antialtermagnets.
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Chiral nanotubes from collinear magnets realize p-wave magnetism with p-wave spin splitting independent of the parent collinear order.
Topological exciton condensation in the Haldane-Hubbard model produces a Néel state with odd-parity magnons showing f-wave splitting and topology changes tied to electron bandgap closing.
citing papers explorer
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Orbital current rectifier and linear magnon Edelstein effect in $p$-wave antialtermagnets
Odd-parity-wave magnets host magnons with zero spin but a collinear out-of-plane orbital magnetic moment, leading to a linear magnon Edelstein effect and nonreciprocal orbital currents.
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Rolling Two-Dimensional Collinear Magnets into Chiral Nanotubes with $p$-Wave Magnetism
Chiral nanotubes from collinear magnets realize p-wave magnetism with p-wave spin splitting independent of the parent collinear order.
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Odd-parity magnons in the Haldane-Hubbard model from topological exciton condensation
Topological exciton condensation in the Haldane-Hubbard model produces a Néel state with odd-parity magnons showing f-wave splitting and topology changes tied to electron bandgap closing.