<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><div style="font-family: times new roman, new york, times, serif; font-size: 12pt;">Dear All,<br><div id="yiv81002354"><div><div style="color:#000;background-color:#fff;font-family:arial, helvetica, sans-serif;font-size:12pt;"><div><span><br>I am Iwan Darmadi, undergraduate physics student, Universitas Indonesia.<br>Currently I am running TM doped ZnO simulation using Quantum Espresso.<br> <br>At the moment, I plan to calculate dielectric function (frequency<br>dependent) of my model. I have read the manual and other sources<br>but I hardly find how to calculate them.<br><br>My question is, does QE have feature to calculate frequency dependent dielectric function ?<br>If yes, could anyone tell me the main steps to calculate them ?<br><br>Regards,<br><br>Iwan
D.</span></div><div> </div><div style="color:rgb(0, 0, 0);font-size:13px;background-color:transparent;font-style:normal;"><span><font face="lucida console, sans-serif"><font size="2"><b>***<br></b></font></font></span></div><div style="color:rgb(0, 0,
0);font-size:13px;background-color:transparent;font-style:normal;"><span><font face="lucida console, sans-serif"><font size="2"><b>Iwan Darmadi</b></font></font></span><br><span><font face="lucida console, sans-serif"> Undergrad.Student - Department of Physics</font></span><font face="lucida console, sans-serif"><br></font></div><div style="color:rgb(0, 0, 0);font-size:13px;background-color:transparent;font-style:normal;"><span><font face="lucida console, sans-serif"> Universitas Indonesia</font></span></div><div style="color:rgb(0, 0, 0);font-size:13px;background-color:transparent;font-style:normal;" class="yiv81002354yui_3_2_0_2_1344683897969181"><a rel="nofollow" target="_blank" href="http://www.iwandarmadi.wordpress.com/"><b>www.iwandarmadi.wordpress.com</b></a><span class="yiv81002354yui_3_2_0_2_1344683897969186"><br></span></div></div></div></div><br><br> </div> </div> </div></body></html>