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HGH pseudopotential with GGA method??
Posted: Thu Mar 03, 2011 10:02 am
by new_986
Hi everyone...
is it allow to use HGH psudopotential with GGA Method??
thanks
Nawzad A.
Re: HGH pseudopotential with GGA method??
Posted: Thu Mar 03, 2011 11:20 am
by david.waroquiers
Hello,
You have only a few elements for which HGH pseudopotentials are available for GGA on the abinit website (hydrogen, carbon and oxygen) and to be consistent, you should always use pseudopotentials made with the same exchange correlation i.e. do not use an HGH pseudo LDA with ixc 11 for example and reverse.
David
Re: HGH pseudopotential with GGA method??
Posted: Thu Mar 03, 2011 12:14 pm
by mverstra
No no, it's much better than this - the whole GGA periodic table was generated by Matthias Krack:
http://cvs.berlios.de/cgi-bin/viewvc.cg ... er/abinit/these pseudopotentials use the gth/hgh form, and most have an abinit-compatible version.
Matthieu
Re: HGH pseudopotential with GGA method??
Posted: Fri Mar 04, 2011 8:39 am
by new_986
david.waroquiers wrote:Hello,
You have only a few elements for which HGH pseudopotentials are available for GGA on the abinit website (hydrogen, carbon and oxygen) and to be consistent, you should always use pseudopotentials made with the same exchange correlation i.e. do not use an HGH pseudo LDA with ixc 11 for example and reverse.
David
Hi...
thats what i wanted to know (HGH with ixc 11) because when i do that it works well and gives good results ...
I have another question please.. why pspnc ( Troullier-Martins ) pseudo. doest not gives good results?.. for example when i want calculate band gap energy for ZnS using pspnc pseudo.
thank u
Re: HGH pseudopotential with GGA method??
Posted: Fri Mar 04, 2011 8:45 am
by new_986
I already used these pseudo. but it doesn't work I don't know why?!!
Thank you very much
Re: HGH pseudopotential with GGA method??
Posted: Sun Mar 13, 2011 10:17 pm
by mverstra
need to be more precise...
Re: HGH pseudopotential with GGA method??
Posted: Wed Mar 16, 2011 10:43 am
by new_986
mverstra wrote:need to be more precise...
I mean the link what you gave me contains pseudopotential file with pspcode equal to 10 but in abinit should be between 1 to 8
Nawzad A.