<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:14pt"><pre style="font-family: times new roman,new york,times,serif;">Dear pwscf users<br><span>I would like to do some calculations </span>with LDA+U.<br>I would like to know the interval of the validity of potential U. <br></pre><div><pre><span style="font-family: times new roman,new york,times,serif;">Thanks in advance,<br></span><span style="font-family: times new roman,new york,times,serif;"><br></span><span style="font-family: times new roman,new york,times,serif;"> Sincerely</span><i><br></i></pre> Mourad<br><br></div><div>DEBBICHI Mourad<br>Unité de Recherche Physique des Solides,99/UR/13-19,<br>Département de Physique, Faculté des Science de Monastir,<br>Avenue de l'Environnement 5019, Monastir Tunisie.<br>tél:+21697487042<br>mourad_fsm@yahoo.fr<br></div> <div style="font-family: times new roman,new york,times,serif;
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