A nonlinear orbital Hall effect odd in the Néel vector unifies electrical readout of antiferromagnetic switching with orbital torque writing to ferromagnets via spin-orbit coupling.
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Altermagnets host a purely intrinsic orbital-splitter current that is strongly anisotropic, exceeds the spin-splitter current by up to a factor of four in some directions, and generates damping-like torque to speed up magnetization switching.
A theory is derived for disorder-induced time-reversal-odd nonlinear spin and orbital Hall effects, including a scaling relation to distinguish mechanisms and model results showing orbital contributions can exceed spin ones.
citing papers explorer
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Nonlinear Magnetic Orbital Hall Effect Induced by Spin-Orbit Coupling
A nonlinear orbital Hall effect odd in the Néel vector unifies electrical readout of antiferromagnetic switching with orbital torque writing to ferromagnets via spin-orbit coupling.
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Orbital-Splitter Current in Altermagnets
Altermagnets host a purely intrinsic orbital-splitter current that is strongly anisotropic, exceeds the spin-splitter current by up to a factor of four in some directions, and generates damping-like torque to speed up magnetization switching.
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Disorder induced time-reversal-odd nonlinear spin and orbital Hall effects
A theory is derived for disorder-induced time-reversal-odd nonlinear spin and orbital Hall effects, including a scaling relation to distinguish mechanisms and model results showing orbital contributions can exceed spin ones.