Symmetry matching between altermagnets and unconventional superconductors generates bulk zero-energy flat bands as Bogoliubov Fermi surfaces and distinct curved or flat surface states detectable by tunneling.
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V2O-based altermagnets enable robust spin-polarized specular Andreev reflection in superconductor junctions, detectable via nonlocal conductance in a multiterminal geometry.
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Engineering subgap states in superconductors by the symmetry of altermagnetism
Symmetry matching between altermagnets and unconventional superconductors generates bulk zero-energy flat bands as Bogoliubov Fermi surfaces and distinct curved or flat surface states detectable by tunneling.
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Robust realization of spin-polarized specular Andreev reflection in V$_2$O-based altermagnets
V2O-based altermagnets enable robust spin-polarized specular Andreev reflection in superconductor junctions, detectable via nonlocal conductance in a multiterminal geometry.