<div dir="ltr">Dear Bipul.<div><br></div><div>One way is that first you perform without U calculation and later you do with U and take difference. So, might be you will information what you want.</div><div><br></div><div>I am not sure I am right, but try..</div><div><br></div><div>thanks and regards</div><div>sanjeev</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Dec 23, 2014 at 9:11 PM, Bipul Rakshit <span dir="ltr"><<a href="mailto:bipulrr@gmail.com" target="_blank">bipulrr@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br clear="all"><div>Dear PWSCF users,</div><div>I am doing GGA+U calculation for ZnO wurtzite structure. I attached the input file for the same.</div><div>My doubt is for using "Hubbard U" we are using two additional tags (compared to simple GGA calculation) </div><div><div> <font color="#cc0000"> lda_plus_u = .true.,</font></div><div><font color="#cc0000"> Hubbard_U(1) =8.0, Hubbard_U(2)=0.0,</font></div></div><div><br></div><div>So I am applying Hubbard U=8 eV on my first species (i.e. Zn) and 0.0 eV on Oxygen.</div><div>But how can I understand that this Hubbard U of 8 eV is applied on Zn- d states?</div><div>or do I have to specify some additional tags or something?</div><div><br></div><div>Kindly help in this matter.</div><div><br></div><div>Thanks</div><span class="HOEnZb"><font color="#888888">-- <br><div><div dir="ltr"><div>Dr. Bipul Rakshit<br>Research Associate,<br>Institute of Physics (IOP),<br>Bhubaneswar- <span>751 005</span></div><div>Orissa <br></div><div>India</div></div></div>
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