Circularly polarized light induces an octupolar inverse Faraday effect and anisotropic multipolar exchange in 4d2/5d2 Mott insulators, opening a nonequilibrium phase space with tunable antiferro-octupolar, ferro-octupolar, and multipolar liquid states.
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Theoretical proposal for magnetic-field-free deterministic Néel vector switching in d-wave altermagnets using octupole torque from current-induced multipole injection in bilayers.
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.
citing papers explorer
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Light-driven octupolar inverse Faraday effect and multipolar order in Mott insulators
Circularly polarized light induces an octupolar inverse Faraday effect and anisotropic multipolar exchange in 4d2/5d2 Mott insulators, opening a nonequilibrium phase space with tunable antiferro-octupolar, ferro-octupolar, and multipolar liquid states.
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Deterministic N\'eel vector switching of altermagnets via magnetic octupole torque
Theoretical proposal for magnetic-field-free deterministic Néel vector switching in d-wave altermagnets using octupole torque from current-induced multipole injection in bilayers.
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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.