Superconductivity in high-pressure MnB4 is induced by altermagnetic spin fluctuations, yielding extended-s pairing symmetry.
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Macroscopic altermagnetic domains in MnTe were visualized as two distinct time-reversal symmetry breaking regions with large Kerr rotations independent of net magnetization, controllable by external stimuli.
Magnetization, transport, and muon spin relaxation measurements provide evidence for altermagnetic order in Fe0.85Cr0.15Sb2 below ~3.5 K with time-reversal symmetry breaking but no net magnetization.
Altermagnets exhibit a resonant third-order intrinsic anomalous Hall effect from the Berry curvature quadrupole, serving as a quantum geometric transport fingerprint.
A novel KKR-based ab initio scheme for dynamical magnetic susceptibility in non-collinear magnets is developed and applied to reveal non-monotonous magnon damping in Mn3Ir.
Relativistic altermagnets exhibit mixed g-, d-, and p-wave spin-momentum locking with symmetry-protected nodal planes and accidental nodal surfaces depending on Néel vector orientation.
Compensated ferrimagnets with exchange-coupling asymmetry produce robust spin Seebeck currents comparable to ferromagnets via isotropic magnon splitting, while the effect vanishes in altermagnets.
Charge disproportionation stabilizes the monoclinic semiconducting state in Fe₂PO₅ and enables its room-temperature d-wave altermagnetism.
Altermagnets enable planar Josephson junctions that host Majorana end modes controlled by crystallographic orientation, extending naturally to high-Tc platforms.
Symmetry-guided graph neural networks trained on 200 structures screen 100,000+ iTMD configurations to identify 55 antiferromagnetic spintronics candidates with d-wave altermagnetism or giant T-odd spin Edelstein effects.
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Superconductivity induced by altermagnetic spin fluctuations in high-pressure MnB$_4$
Superconductivity in high-pressure MnB4 is induced by altermagnetic spin fluctuations, yielding extended-s pairing symmetry.
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Topological altermagnetic Josephson junctions
Altermagnets enable planar Josephson junctions that host Majorana end modes controlled by crystallographic orientation, extending naturally to high-Tc platforms.