Crystalline antiunitary symmetry in altermagnets selects pairing that produces robust nodal topological superconducting phases with Majorana flat bands and chiral edge states.
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An inhomogeneous altermagnetic interlayer in a Josephson junction produces enhanced critical current and spin-polarized supercurrent at π misorientation of Néel vectors through cancellation of pair-breaking oscillations.
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.
A mixed singlet-triplet Ising state in a 2D p-wave magnet transitions to a nodal topological superconducting phase with Majorana edge modes protected by momentum-resolved winding numbers when triplet pairing exceeds singlet pairing.
Theoretical prediction of a field-free transverse Josephson diode effect with high efficiency and tunability in altermagnets with Rashba coupling.
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.
citing papers explorer
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Nodal Topological Superconductivity Driven by Crystalline Antiunitary Symmetry in Altermagnets
Crystalline antiunitary symmetry in altermagnets selects pairing that produces robust nodal topological superconducting phases with Majorana flat bands and chiral edge states.
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Spin-polarized Josephson current induced by inhomogeneous altermagnetic interlayers
An inhomogeneous altermagnetic interlayer in a Josephson junction produces enhanced critical current and spin-polarized supercurrent at π misorientation of Néel vectors through cancellation of pair-breaking oscillations.
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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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Topological Ising superconductivity in two-dimensional p-wave magnet
A mixed singlet-triplet Ising state in a 2D p-wave magnet transitions to a nodal topological superconducting phase with Majorana edge modes protected by momentum-resolved winding numbers when triplet pairing exceeds singlet pairing.
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Giant field-free transverse Josephson diode effect in altermagnets
Theoretical prediction of a field-free transverse Josephson diode effect with high efficiency and tunability in altermagnets with Rashba coupling.
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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.