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.
Altermagnetism and superconductivity: A short historical review
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Generalized Hatsugai-Kohmoto models support ferromagnetism, p- and d-wave bond-ordered magnets, and non-degenerate singlet states with retained spin splitting when local interactions are added.
Altermagnetic spin splitting selects direction-selective triplet pairing in 2D d-wave metals and generates spin-locked Majorana edge states in both spin-conserving and Rashba-mixed regimes.
Noise spectroscopy of charge fluctuations in itinerant altermagnets yields symmetry-protected signatures absent in antiferromagnets, enabling experimental identification and access to d-wave or g-wave orbital character via bulk, strain, and domain-wall geometries.
P-wave orbital magnetism protected by combined translation and time-reversal symmetry is proposed to originate from loop-current-induced orbital textures in a 2D Dirac lattice model, measurable via orbital Hall conductivity.
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.
A review that classifies two-dimensional altermagnets via spin-group theory, lists materials with large spin splitting, and outlines design strategies for experimental realization.
citing papers explorer
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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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Hatsugai-Kohmoto-like Models for Altermagnets and Odd-Parity Magnets
Generalized Hatsugai-Kohmoto models support ferromagnetism, p- and d-wave bond-ordered magnets, and non-degenerate singlet states with retained spin splitting when local interactions are added.
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Direction-selective triplet pairing and spin-edge locking in altermagnetic metals
Altermagnetic spin splitting selects direction-selective triplet pairing in 2D d-wave metals and generates spin-locked Majorana edge states in both spin-conserving and Rashba-mixed regimes.
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Noise spectroscopy of insulating and itinerant altermagnets
Noise spectroscopy of charge fluctuations in itinerant altermagnets yields symmetry-protected signatures absent in antiferromagnets, enabling experimental identification and access to d-wave or g-wave orbital character via bulk, strain, and domain-wall geometries.
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$P$-wave Orbital Magnetism
P-wave orbital magnetism protected by combined translation and time-reversal symmetry is proposed to originate from loop-current-induced orbital textures in a 2D Dirac lattice model, measurable via orbital Hall conductivity.
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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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Classification and design of two-dimensional altermagnets
A review that classifies two-dimensional altermagnets via spin-group theory, lists materials with large spin splitting, and outlines design strategies for experimental realization.