[QE-users] the units of the phonon linewidth

[zhouchao]

Dear Quantum ESPRESSO Experts,

I hope this message finds you well. I am writing to seek clarification on the units of the phonon linewidth, specifically within the elph.gamma* output in Quantum ESPRESSO.

Could you kindly confirm whether the units of the phonon linewidth in elph.gamma* are expressed in THz? I have been using the formula λqv = γqv / (πhN(EF)Ωqv^2) to calculate the electron-phonon coupling constant for a specific mode, and I obtained a value of 28 for λqv. I would appreciate your expertise in assessing the reasonableness of this result.

Your guidance on this matter would be immensely valuable to my research, and I thank you in advance for your time and assistance.

Best regards,

zhouchao
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