<div dir="ltr"><div>Dear Prof. P. Blaha,</div>emax =2.5 Ry was chosen<br><div>3000 Kpoints</div><div>here are the steps followed<br></div><div>emax =2.5 Ry was chosen<br></div><div>x lapw1 -up/dn -p<br></div><div>x lapw2 -fermi -up/dn -p<br></div><div>x optic -up/dn -p<br></div><div>x joint -up/dn -p</div><div>adjoint-updan (YPdAs.joint has been created adding up+dn)</div><div>x kram</div><div>Sincerely<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le ven. 22 mars 2024 à 02:01, Hamza BFA <<a href="mailto:hamza.bfa@gmail.com">hamza.bfa@gmail.com</a>> a écrit :<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 dir="ltr"><div id="m_8165494307780017294gmail-:19r" style="direction:ltr;margin:8px 0px 0px;padding:0px;font-size:0.875rem;overflow-x:hidden;font-family:"Google Sans",Roboto,RobotoDraft,Helvetica,Arial,sans-serif"><div id="m_8165494307780017294gmail-:19q" style="direction:initial;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:small;line-height:1.5;font-family:Arial,Helvetica,sans-serif;overflow:auto hidden"><div dir="ltr">Hi,<div>after an optical calculation of a narrow gap semiconductor with PBEsol functional, I obtained a zero imaginary part and a constant real part (equal to 1) of the dielectric function.<br></div><div>More details :<br></div><div>23.2 version</div><div>init -prec 2 -numk 1500 -nohdlo -sp -b</div><div>runsp -p -ec 0.00001 </div><div>input files are in attachment<br></div><div>Do you have a solution to this problem.?<br></div><div>Sincerely </div><div>#########################################YPdAs.epsilon</div><div># <br># Lorentzian broadening with gamma= 0.100000 [eV]<br># Im(epsilon) shifted by 0.0000 [eV]<br># No intraband contributions added<br>#<br># Energy [eV] Re_eps_xx Im_eps_xx Re_eps_zz Im_eps_zz<br>#<br> 0.013610 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 0.040820 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 0.068030 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 0.095240 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 0.122450 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 0.149660 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 0.176870 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 0.204090 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br></div><div>.....</div><div>.....</div><div>13.265560 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.292770 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.319980 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.347190 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.374400 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.401610 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.428820 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.456030 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.483250 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.510460 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.537670 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br> 13.564880 0.100000E+01 0.000000E+00 0.100000E+01 0.000000E+00<br></div></div></div></div></div>
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