<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Sam,</div><div><br></div>If I'm reading PHonon/PH/dielec.f90 correctly, the 4*pi is there (see lines 50 and 61 in v5.2.0).<div><br></div><div>--William</div><div><br><div>
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<br><div><div>On Jul 9, 2015, at 3:09 PM, "Azadi, Sam" <<a href="mailto:azadi@uni-mainz.de">azadi@uni-mainz.de</a>></div><div> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<div class="">Hi experts, </div>
<div class=""><br class="">
</div>
<div class="">Wondering whether “4*pi” term is included in dielectric constant results </div>
<div class="">given by epsil=.true. in phonon calculations. </div>
<div class=""><br class="">
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<div class="">Yours, </div>
<div class="">Sam</div>
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<br class="">
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<div class="">S. Azadi</div>
<div class="">Institute of Physical Chemistry and </div>
<div class="">Center of Computational Science </div>
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