Coupling 3D topological insulators to d-wave altermagnets produces hybrid and higher-order topological phases with tunable hinge modes that enable current switching.
Higher-Order Bulk- Boundary Correspondence for Topological Crystalline Phases,
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Current switching behavior mediated via hinge modes in higher-order topological phases using altermagnets
Coupling 3D topological insulators to d-wave altermagnets produces hybrid and higher-order topological phases with tunable hinge modes that enable current switching.