Coulomb interactions drive altermagnetism in the Kagome Hubbard model at Dirac filling, producing an insulating state with split magnons detectable by inelastic neutron scattering.
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Extended s-wave altermagnets are introduced as fully gapped spin-compensated states with isotropic spin splitting arising from valley-exchange symmetries, shown via effective two-valley and microscopic models with guiding principles for identification.
Triplet superconductors exhibit non-relativistic momentum-dependent spin splitting from the pairing order parameter, enabling an Edelstein effect and electric-field-driven spin pumping without relativistic spin-orbit coupling.
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.
citing papers explorer
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Altermagnetism in an interacting model of Kagome materials
Coulomb interactions drive altermagnetism in the Kagome Hubbard model at Dirac filling, producing an insulating state with split magnons detectable by inelastic neutron scattering.
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Extended s-wave altermagnets
Extended s-wave altermagnets are introduced as fully gapped spin-compensated states with isotropic spin splitting arising from valley-exchange symmetries, shown via effective two-valley and microscopic models with guiding principles for identification.
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Non-Relativistic Spin-Orbit Interaction in Triplet Superconductors: Edelstein Effect and Spin Pumping by Electric Fields
Triplet superconductors exhibit non-relativistic momentum-dependent spin splitting from the pairing order parameter, enabling an Edelstein effect and electric-field-driven spin pumping without relativistic spin-orbit coupling.
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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.