PT-symmetric antiferromagnets support antiferro-chiral phonons whose sublattice-staggered angular momentum couples to the Neel vector via molecular Berry curvature.
Coh, Classification of materials with phonon angular momentum and microscopic origin of angular momen- tum, Phys
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A framework defines momentum-resolved and bulk dynamical chirality measures for phonons, demonstrated on chiral and achiral materials to capture handedness and distinguish enantiomers.
Raman measurements and ab initio calculations show anisotropic electron-phonon coupling and chiral phonons in room-temperature ferromagnetic Fe5GeTe2.
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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Quantifying chirality of phonons
A framework defines momentum-resolved and bulk dynamical chirality measures for phonons, demonstrated on chiral and achiral materials to capture handedness and distinguish enantiomers.
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Anisotropic electron-phonon coupling and chiral phonons in van der Waals room temperature ferromagnet Fe$_{5}$GeTe$_{2}$
Raman measurements and ab initio calculations show anisotropic electron-phonon coupling and chiral phonons in room-temperature ferromagnetic Fe5GeTe2.