Collinear spin-orbital magnets host mixed-parity altermagnetism as an intermediate regime between even- and odd-parity forms, inducible by circularly polarized light in a two-sublattice two-orbital model.
Floquet odd-parity collinear magnets
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Collinear altermagnets can exhibit tunable mixed-parity spin textures and new dissipationless spin Hall responses when driven by two-color light or coupled to P-odd loop-current order, creating (P,T)=(-,-) or (+,+) states.
Elliptically polarized light irradiation converts d-wave altermagnets into Chern insulators, yielding quantized thermal Hall conductivity and gap-edge peaks in the thermoelectric Hall response.
D-wave altermagnets on Bi2Se3 surfaces induce a layer Hall effect with zero net Hall conductance for antiparallel Néel vectors and a quantized Chern state for parallel vectors.
A symmetry-based stacking strategy with layer-flip realizes odd-parity altermagnetism from nonrelativistic orbital orders, hosting quantum spin Hall phases with helical edge states.
citing papers explorer
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Mixed-Parity Altermagnetism in Collinear Spin-Orbital Magnets
Collinear spin-orbital magnets host mixed-parity altermagnetism as an intermediate regime between even- and odd-parity forms, inducible by circularly polarized light in a two-sublattice two-orbital model.
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Tunable Odd-Parity Spin Splittings in Altermagnets
Collinear altermagnets can exhibit tunable mixed-parity spin textures and new dissipationless spin Hall responses when driven by two-color light or coupled to P-odd loop-current order, creating (P,T)=(-,-) or (+,+) states.
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Anomalous thermoelectric and thermal Hall effects in irradiated altermagnets
Elliptically polarized light irradiation converts d-wave altermagnets into Chern insulators, yielding quantized thermal Hall conductivity and gap-edge peaks in the thermoelectric Hall response.
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Layer Hall effect induced by altermagnetism
D-wave altermagnets on Bi2Se3 surfaces induce a layer Hall effect with zero net Hall conductance for antiparallel Néel vectors and a quantized Chern state for parallel vectors.
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Odd-Parity Altermagnetism Originated from Orbital Orders
A symmetry-based stacking strategy with layer-flip realizes odd-parity altermagnetism from nonrelativistic orbital orders, hosting quantum spin Hall phases with helical edge states.