CrSb is a high-temperature metallic altermagnet with coherent magnons of group velocities 61 and 58 km/s that exhibit chiral momentum-space splitting, described by a minimal Heisenberg model with alternating exchange interactions.
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Altermagnetic sublattice order imposes momentum-dependent nodes in the superconducting gap for local pairing interactions and favors nonunitary equal-spin triplet superconductivity at large spin splitting.
Gating a finite normal region between a superconducting altermagnet and a metallic reservoir produces perfect nonreciprocal spin and charge currents with tunable polarity via gate voltage and region length.
Theoretical derivation of proximity-induced even-parity pairings in d-wave altermagnets coupled to s-wave superconductors, and emergence of weak and strong topological phases when Rashba SOC is included.
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Coherent high-velocity chiral magnons in the metallic altermagnet CrSb
CrSb is a high-temperature metallic altermagnet with coherent magnons of group velocities 61 and 58 km/s that exhibit chiral momentum-space splitting, described by a minimal Heisenberg model with alternating exchange interactions.
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Inherent momentum-dependent gap structure of altermagnetic superconductors
Altermagnetic sublattice order imposes momentum-dependent nodes in the superconducting gap for local pairing interactions and favors nonunitary equal-spin triplet superconductivity at large spin splitting.
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Perfect spin nonreciprocity in gated superconducting altermagnetic heterostructures
Gating a finite normal region between a superconducting altermagnet and a metallic reservoir produces perfect nonreciprocal spin and charge currents with tunable polarity via gate voltage and region length.
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Proximity-induced superconductivity and emerging topological phases in altermagnet-based heterostructures
Theoretical derivation of proximity-induced even-parity pairings in d-wave altermagnets coupled to s-wave superconductors, and emergence of weak and strong topological phases when Rashba SOC is included.