Treating orbital degrees of freedom as dynamical variables in altermagnets generates emergent electric fields tunable by lattice anisotropy, driving orbital and magnetic multipole currents even in simplified textures with dynamic lattice distortion.
In thel=1 sub- space, the difference between thepx andp y orbital states is rep- resented by the operatorL 2 x −L 2 y, which transforms spatially as x2 −y 2
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Orbital-driven emergent transport in altermagnets
Treating orbital degrees of freedom as dynamical variables in altermagnets generates emergent electric fields tunable by lattice anisotropy, driving orbital and magnetic multipole currents even in simplified textures with dynamic lattice distortion.