Dear Paolo, I know the difference, and have already used different cutoff for norm-conserving PP adn ultrasoft PP.
Best regards, Min Wu, 2010-11-5 >From: Paolo Giannozzi <giannozz at democritos.it> >Reply-To: >To: wumindt2 <wumindt2 at zju.edu.cn>,PWSCF Forum <pw_forum at pwscf.org> >Subject: Re: [Pw_forum] pseudopotential >Date: Fri, 5 Nov 2010 23:10:15 +0100 > > >On Nov 5, 2010, at 22:02 , wumindt2 wrote: > >> C.pbe-rrkjus.UPF and O.pbe-rrkjus.UPF > >ultrasoft > >> C.pbe-mt_gipaw.UPF and O.pbe-van_gipaw.UPF > >norm-conserving, and quite hard. A cutoff that is appropriate for the >former may ot be sufficient for the latter. This is the first thing >to be >verified. > >P. >--- >Paolo Giannozzi, Dept of Chemistry&Physics, Univ. Udine >via delle Scienze 208, 33100 Udine, Italy >Phone +39-0432-558216, fax +39-0432-558222 > > > > >