<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Jul 6, 2012, at 9:25 AM, Paolo Giannozzi wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><br>On Jul 6, 2012, at 9:13 , manoj narayanan wrote:<br><br><blockquote type="cite"> So is it ok to use the Z+1 approximation rather<br></blockquote><blockquote type="cite">than using core excited pseudo potential ?<br></blockquote><br>this is about physics, not about software, and the answer<br>should be found in papers.<br></div></blockquote><div><br></div>... or, even better, by direct experience</div><div>SB</div><div><br></div><br><div>
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