<div>Dear de Gironcoli and espresso users,</div> <div>Thank you for replying</div> <div>Although I still have questionmarks in my mind about the explanation,</div> <div>I will work more on this.</div> <div> </div> <div>Thank you again,</div> <div> </div> <div>Emine Kucukbenli</div> <div> <BR><BR><B><I>Stefano de Gironcoli <degironc@sissa.it></I></B> wrote:</div> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Paolo or some other may correct me but this is how I think it is.<BR><BR>In order to generate the screened pseudopotential the KS equation must be <BR>inverted (for ONE pseudowavefunction per channel) and this is done using <BR>the semicore states that are nodeless.<BR>In order to unscreen the potential one need the pseudocharge that is <BR>computed from all occupied states (both semicore and valence states).<BR><BR>Stefano de Gironcoli<BR><BR></BLOCKQUOTE><p>
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