A minimal 2D d-wave altermagnetic model with band inversion realizes a ferroelectrically tunable Chern insulator with spontaneous spin canting, enabling C = ±1 and ±2 phases via Berry-curvature reorganization.
Stacking order and Coulomb correlation effect in the layered charge density wave phase of 1T
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Ferroelectric Altermagnetic Chern Insulator in magnetic field: electrical control of the Chern number
A minimal 2D d-wave altermagnetic model with band inversion realizes a ferroelectrically tunable Chern insulator with spontaneous spin canting, enabling C = ±1 and ±2 phases via Berry-curvature reorganization.