Flat bands enhance Andreev reflection and induce asymmetric electronic Goos-Hänchen shifts at NS interfaces in the extended α-T3 lattice, producing a Hall-like Josephson response in SNS geometry dominated by quasi-flat bands.
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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.
citing papers explorer
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Enhanced Andreev Reflection in Flat-Band Systems: Wave Packet Dynamics, DC Transport and the Josephson Effect
Flat bands enhance Andreev reflection and induce asymmetric electronic Goos-Hänchen shifts at NS interfaces in the extended α-T3 lattice, producing a Hall-like Josephson response in SNS geometry dominated by quasi-flat bands.
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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.