Phonon self-energy computation in 1H-NbSe2 shows longitudinal optical phonon softening via Kohn ladder anti-crossing, Q_CDW fixed by susceptibility-e-ph coupling convolution, and chiral softened phonons.
Giustino, Electron-phonon interactions from first prin- ciples, Reviews of Modern Physics 89, 015003 (2017)
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Giant Kohn anomaly and chiral phonons in the charge density wave phase of 1H-NbSe$_2$
Phonon self-energy computation in 1H-NbSe2 shows longitudinal optical phonon softening via Kohn ladder anti-crossing, Q_CDW fixed by susceptibility-e-ph coupling convolution, and chiral softened phonons.