<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1442817918582_2376">Dear QE users,</div><div id="yui_3_16_0_1_1442817918582_2376" dir="ltr">For the first time; I'm trying to include lda+u for Zirconium. For this purpose I used Hubbard_U=4.0 eV but I do not know how much Hubbard_J should be? </div><div id="yui_3_16_0_1_1442817918582_2376" dir="ltr">and what is the difference between Hubbard_J & Hubbard_J0?</div><div id="yui_3_16_0_1_1442817918582_2376" dir="ltr"><br></div><div id="yui_3_16_0_1_1442817918582_2376" dir="ltr">Regards,</div><div id="yui_3_16_0_1_1442817918582_2376" dir="ltr">Jaret</div></div></body></html>