<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><br>Dear all<br>I obtain U from linear response that implemented in espresso for ZnO bulk. But the differences between <br><pre>d(alpha)/d(n) - d(alpha)/d(n0)<br>is very large. For d(alpha)/d(n)=463.43 and for <br>d(alpha)/d(n0) = 69.05.<br>Is it because that the d orbital for Zn is full or has another reason/<br>Thanks a lot<br> </pre>Ali Kazempour<br>
Physics department, Isfahan University of Technology<br>
84156 Isfahan, Iran. Tel-1: +98 311 391 3733<br>
Fax: +98 311 391 2376 Tel-2: +98 311 391 2375</td></tr></table><br>