<div dir="ltr">Dear ZhouChao<div>The units for phonon linewidth are expressed in GHz in elph.gamma.X files but in gam.lines files it is expressed as THz units.</div><div>Regards</div><div>Ramesh</div><div>GITAM, Vizag, India</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Nov 29, 2023 at 7:33 PM zhouchao via users <<a href="mailto:users@lists.quantum-espresso.org" target="_blank">users@lists.quantum-espresso.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><p style="line-height:27.2px;font-family:"lucida Grande",Verdana,"Microsoft YaHei";border:0px solid rgb(217,217,227);box-sizing:border-box;font-size:16px">Dear Quantum ESPRESSO Experts,</p><p style="line-height:27.2px;font-family:"lucida Grande",Verdana,"Microsoft YaHei";border:0px solid rgb(217,217,227);box-sizing:border-box;font-size:16px">I hope this message finds you well. I am writing to seek clarification on the units of the phonon linewidth, specifically within the <code style="border:0px solid rgb(217,217,227);box-sizing:border-box">elph.gamma*</code> output in Quantum ESPRESSO.</p><p style="line-height:27.2px;font-family:"lucida Grande",Verdana,"Microsoft YaHei";border:0px solid rgb(217,217,227);box-sizing:border-box;font-size:16px">Could you kindly confirm whether the units of the phonon linewidth in <code style="border:0px solid rgb(217,217,227);box-sizing:border-box">elph.gamma*</code> 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.</p><p style="line-height:27.2px;font-family:"lucida Grande",Verdana,"Microsoft YaHei";border:0px solid rgb(217,217,227);box-sizing:border-box;font-size:16px">Your guidance on this matter would be immensely valuable to my research, and I thank you in advance for your time and assistance.</p><p style="line-height:27.2px;font-family:"lucida Grande",Verdana,"Microsoft YaHei";border:0px solid rgb(217,217,227);box-sizing:border-box;font-size:16px">Best regards,</p><p style="line-height:27.2px;font-family:"lucida Grande",Verdana,"Microsoft YaHei";border:0px solid rgb(217,217,227);box-sizing:border-box;font-size:16px">zhouchao</p></div>_______________________________________________<br>
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