A first-principles equation of motion for coherent phonons is derived, with renormalized frequencies and a damping term identical to quantum phonons, plus a new screened electron-phonon coupling.
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The First Principles Equation for Coherent Phonons: Dynamics and Polaron distortions
A first-principles equation of motion for coherent phonons is derived, with renormalized frequencies and a damping term identical to quantum phonons, plus a new screened electron-phonon coupling.