<font face="'PrimaSans BT,Verdana,sans-serif'">Thanks, <br>the solution to the problem was <font face="'PrimaSans BT,Verdana,sans-serif'">cell_dofree,
removing the optimization works fine, even if at the second SCF hemaite starts with
absolute magnetization equal to 0.47, and after some cycles it's
becoming higher 13.34 Bohr mag /</font>cell. It is allright ?</font><br>Thanks Piero <br><br>----- Original Message -----<br>From: pc229@kent.ac.uk<br>Date: Friday, March 13, 2009 6:05 pm<br>Subject: Re: [Pw_forum] roblem with bfgs algorithm optimizer for spin polarized system<br>To: PWSCF Forum <pw_forum@pwscf.org><br><br>> Thanks, <br>> the solution to the problem was cell_dofree, removing it . It's <br>> work even if at the second SCF hemaite starts with absolute <br>> magnetization equal to 0.47, and after some cycles it's becoming <br>> higher 13 34 Bohr mag /cell. It is allright ?<br>> <br>> ----- Original Message -----<br>> From: Lorenzo Paulatto <paulatto@sissa.it><br>> Date: Friday, March 13, 2009 4:20 pm<br>> Subject: Re: [Pw_forum] roblem with bfgs algorithm optimizer for <br>> spin polarized system<br>> To: PWSCF Forum <pw_forum@pwscf.org><br>> <br>> > On Fri, 13 Mar 2009 17:16:22 +0100, Giuseppe Mattioli <br>> > <giuseppe.mattioli@mlib.ism.cnr.it> wrote:<br>> > <br>> > > I still suspect that<br>> > > Piero's problem concerns some "electronic" stuff.<br>> > <br>> > yes, of course, but if the minimization algorithm doesn't work <br>> > well it can take the system to some weird configuration that <br>> > have trouble converging... this is only a theory of course. <br>> Also <br>> > disabling charge and potential interpolation may help.<br>> > <br>> > cheers<br>> > <br>> > <br>> > <br>> > <br>> > -- <br>> > Lorenzo Paulatto<br>> > SISSA & DEMOCRITOS (Trieste)<br>> > phone: +39 040 3787 511<br>> > skype: paulatz<br>> > www: http://people.sissa.it/~paulatto/<br>> > <br>> > *** save italian brains ***<br>> > http://saveitalianbrains.wordpress.com/<br>> > _______________________________________________<br>> > Pw_forum mailing list<br>> > Pw_forum@pwscf.org<br>> > http://www.democritos.it/mailman/listinfo/pw_forum<br>> > <br>>