Prediction of a quantized spin circular photogalvanic effect in altermagnetic Weyl semimetals, enabled by symmetry classification and confirmed in a tight-binding model and material candidate.
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Altermagnetic sublattice order imposes momentum-dependent nodes in the superconducting gap for local pairing interactions and favors nonunitary equal-spin triplet superconductivity at large spin splitting.
Phonon excitations in 2D altermagnets produce magnon spin currents with d-wave symmetry that reverse direction when phonon frequency is tuned.
Multipole analysis of α-MnTe shows that distinct altermagnetic configurations induce spin-momentum locking with different parities and magnetic spin Hall effects with up to 16% angle, enabling identification of order parameters via anisotropy.
Magnetic instabilities in generic two-orbital systems are governed by the full interplay of the bare susceptibility tensor and spin interaction matrix, not solely by the quantum geometry of a single-channel susceptibility.
citing papers explorer
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Quantization of spin circular photogalvanic effect in altermagnetic Weyl semimetals
Prediction of a quantized spin circular photogalvanic effect in altermagnetic Weyl semimetals, enabled by symmetry classification and confirmed in a tight-binding model and material candidate.
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Inherent momentum-dependent gap structure of altermagnetic superconductors
Altermagnetic sublattice order imposes momentum-dependent nodes in the superconducting gap for local pairing interactions and favors nonunitary equal-spin triplet superconductivity at large spin splitting.
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Tunable Phonon-Driven Magnon Spin Currents in Altermagnets
Phonon excitations in 2D altermagnets produce magnon spin currents with d-wave symmetry that reverse direction when phonon frequency is tuned.
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Multipole analysis of spin currents in altermagnetic MnTe
Multipole analysis of α-MnTe shows that distinct altermagnetic configurations induce spin-momentum locking with different parities and magnetic spin Hall effects with up to 16% angle, enabling identification of order parameters via anisotropy.
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Reevaluating Quantum Geometric Criteria for Itinerant Magnetic Instabilities
Magnetic instabilities in generic two-orbital systems are governed by the full interplay of the bare susceptibility tensor and spin interaction matrix, not solely by the quantum geometry of a single-channel susceptibility.