Chiral phonons in L3_1 helical crystals generate rotational electron-phonon interactions that drive orbital angular momentum transfer m_ℓ to m_ℓ - m_s, with the response suppressed at Γ and zone boundary but enhanced at intermediate wavevectors due to phonon band degeneracies.
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UNVERDICTED 2representative citing papers
Sn incorporation in MBA₂SnₓPb₁₋ₓI₄ distorts octahedra with only minor effect on structural chirality while substantially enhancing phonon chirality, yet without increasing temperature-gradient angular momentum due to mode compensation.
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Microscopic Theory of Chiral-Phonon-Induced Orbital Selectivity in Helical Crystals
Chiral phonons in L3_1 helical crystals generate rotational electron-phonon interactions that drive orbital angular momentum transfer m_ℓ to m_ℓ - m_s, with the response suppressed at Γ and zone boundary but enhanced at intermediate wavevectors due to phonon band degeneracies.
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Impact of Metal Cation on Chiral Properties of 2D Halide Perovskites
Sn incorporation in MBA₂SnₓPb₁₋ₓI₄ distorts octahedra with only minor effect on structural chirality while substantially enhancing phonon chirality, yet without increasing temperature-gradient angular momentum due to mode compensation.