PT-symmetric antiferromagnets support antiferro-chiral phonons whose sublattice-staggered angular momentum couples to the Neel vector via molecular Berry curvature.
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Cr2S3-2D is the first single-layer A-type antiferromagnet in which Néel vector switching is observed, enabled by a slight substrate-induced magnetic moment imbalance between its two Cr planes.
Static lattice distortions from adiabatic electron-phonon coupling act as a tuning knob that alters the magnitude, anisotropy, phase, and chirality of noncollinear RKKY couplings in Rashba d-wave altermagnets.
Prediction of a quantized spin circular photogalvanic effect in altermagnetic Weyl semimetals, enabled by symmetry classification and confirmed in a tight-binding model and material candidate.
The stability threshold of a non-Hermitian antiferromagnetic resonance, not the exceptional point, governs electrically switchable helicity-selective absorption in the sub-THz regime.
A new equivariant space group framework constructs magnetic Hamiltonians with explicit dependence on magnetic order orientation n, enabling analysis of dynamics-driven topological pumping and ab-initio modeling of real materials.
Neutron spectroscopy on ErFeO3 maps dispersive Fe spin waves and Er crystal-field levels, attributing the latter's dispersion to Er-Er exchange and splitting to Er-Fe coupling, thereby establishing a hierarchy of magnetic interaction strengths.
Spin chirality in a coplanar kagome antiferromagnet yields alternating out-of-plane spin polarization and spin-edge locking without relativistic spin-orbit coupling.
Monolayer CrCX3 and Janus Cr2C2S3Se3 compounds realize 2D higher-order topological insulator phases protected by C3 symmetry, hosting corner states with fractional charges even under spin-orbit coupling.
PT-symmetric antiferromagnets with hidden dipoles allow electric fields to induce up to 20 meV chiral magnon splitting in Cr2CCl2 and Cr2CBr2, enabling reversible switching of magnon spin currents.
Lattice transformation during the magnetostructural phase transition dominates laser generation of tunable GHz quasi-Rayleigh SAWs in FeRh films, with amplitude controllable by proximity to the transition temperature.
NMR data show the ordered-state 31P internal field in Pb(TiO)Cu4(PO4)4 reaches 69.5 mT, higher than 35.6 mT in Ba and 34.6 mT in Sr versions, due to enhanced transferred hyperfine contributions beyond dipolar terms.
Theoretical prediction of ultrastrong magnon-photon hybridization (~100 GHz coupling) in SC/AFM/SC heterostructures at THz, field-tunable between single and dual modes, with superconductor-modulated group velocity.
First-principles study demonstrates spin-orbit torque switching of Néel order and layer-resolved Chern marker in band-inverted antiferromagnetic bilayer MnBi2Te4.
citing papers explorer
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Antiferro-Chiral Phonons in $\mathcal{P}\mathcal{T}$-Symmetric Antiferromagnets
PT-symmetric antiferromagnets support antiferro-chiral phonons whose sublattice-staggered angular momentum couples to the Neel vector via molecular Berry curvature.
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Atomic-Scale Detection of N\'eel Vector Switching in the Single-Layer A-type Antiferromagnet Cr2S3-2D
Cr2S3-2D is the first single-layer A-type antiferromagnet in which Néel vector switching is observed, enabled by a slight substrate-induced magnetic moment imbalance between its two Cr planes.
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RKKY interaction in altermagnets with adiabatic electron-phonon coupling
Static lattice distortions from adiabatic electron-phonon coupling act as a tuning knob that alters the magnitude, anisotropy, phase, and chirality of noncollinear RKKY couplings in Rashba d-wave altermagnets.
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Quantization of spin circular photogalvanic effect in altermagnetic Weyl semimetals
Prediction of a quantized spin circular photogalvanic effect in altermagnetic Weyl semimetals, enabled by symmetry classification and confirmed in a tight-binding model and material candidate.
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Non-Hermitian control of helicity-selective antiferromagnetic resonance
The stability threshold of a non-Hermitian antiferromagnetic resonance, not the exceptional point, governs electrically switchable helicity-selective absorption in the sub-THz regime.
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Equivariant Space Group and Hamiltonian for Collinear Magnetic Systems
A new equivariant space group framework constructs magnetic Hamiltonians with explicit dependence on magnetic order orientation n, enabling analysis of dynamics-driven topological pumping and ab-initio modeling of real materials.
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Magnetic excitation spectrum and hierarchy of magnetic interactions in ErFeO3
Neutron spectroscopy on ErFeO3 maps dispersive Fe spin waves and Er crystal-field levels, attributing the latter's dispersion to Er-Er exchange and splitting to Er-Fe coupling, thereby establishing a hierarchy of magnetic interaction strengths.
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Unconventional alternating out-of-plane spin polarization in the coplanar kagome antiferromagnet
Spin chirality in a coplanar kagome antiferromagnet yields alternating out-of-plane spin polarization and spin-edge locking without relativistic spin-orbit coupling.
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Higher-order topological insulators in two-dimensional antiferromagnetic and altermagnetic chromium-based group-IV chalcogenides
Monolayer CrCX3 and Janus Cr2C2S3Se3 compounds realize 2D higher-order topological insulator phases protected by C3 symmetry, hosting corner states with fractional charges even under spin-orbit coupling.
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Electric-Switchable Chiral Magnons in PT-Symmetric Antiferromagnets
PT-symmetric antiferromagnets with hidden dipoles allow electric fields to induce up to 20 meV chiral magnon splitting in Cr2CCl2 and Cr2CBr2, enabling reversible switching of magnon spin currents.
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Laser-generated GHz surface acoustic waves with tunable amplitude during the magnetostructural phase transition in FeRh thin films
Lattice transformation during the magnetostructural phase transition dominates laser generation of tunable GHz quasi-Rayleigh SAWs in FeRh films, with amplitude controllable by proximity to the transition temperature.
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Microscopic Magnetism of A(TiO)Cu4(PO4)4 (A = Ba, Pb, Sr): 31P and 63,65Cu NMR Study
NMR data show the ordered-state 31P internal field in Pb(TiO)Cu4(PO4)4 reaches 69.5 mT, higher than 35.6 mT in Ba and 34.6 mT in Sr versions, due to enhanced transferred hyperfine contributions beyond dipolar terms.
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Ultrastrong magnon-photon coupling in superconductor/antiferromagnet/superconductor heterostructures at terahertz frequencies
Theoretical prediction of ultrastrong magnon-photon hybridization (~100 GHz coupling) in SC/AFM/SC heterostructures at THz, field-tunable between single and dual modes, with superconductor-modulated group velocity.
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Spin-orbit torque switching of N\'eel order in band-inverted antiferromagnetic bilayer MnBi$_2$Te$_4$
First-principles study demonstrates spin-orbit torque switching of Néel order and layer-resolved Chern marker in band-inverted antiferromagnetic bilayer MnBi2Te4.