<div class="iw_mail" dir="auto" style="font-size: 13px;"><div>Dear QE Developers</div><div><br></div><div>Hi.</div><div>Exploring the details of the hp.x code, I compared the results obtained from example01 and example05.</div><div>As is seen, the two results slightly differ.</div><div>Question: It happens that in some cases one has to use a finite U in the scf calculations before running hp.x. Should the value of finite U be as small as possible?<br></div><div>Thanks in advance.</div><div><br></div><div>Best regards,<br></div><div class=""><div>Mahmoud Payami</div><div><br></div><div>NSTRI, AEOI</div><div>Tehran, Iran</div><div>Email: mpayami@aeoi.org.ir</div><div>Phone: +98(0)2182066504</div><div>------------------------------------<br></div></div></div>