<div dir="ltr"><div dir="ltr">On Tue, Jan 29, 2019 at 11:24 AM LEUNG Clarence <<a href="mailto:liangxy123@hotmail.com">liangxy123@hotmail.com</a>> wrote:</div><div dir="ltr"><br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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When choosing the pseudopotential, it is noted that there are two pseudopotentials, Scalar Relativistic v.s. fully relativistic pseudopotential, what is the main difference? </div></div></blockquote><div><br></div>in practice? fully relativistic pseudopotentials are needed if one is interested to spin-orbit effects or to heavy elements. Otherwise, one typically uses scalar-relativistic pseudopotentials that account for most of the relativistic effects in light atoms.</div><div class="gmail_quote"><br></div><div class="gmail_quote">Paolo<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div style="font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)"><br>
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For example, for Ni, </div>
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<pre><span>Pseudopotential type: USPP<br></span><div>Element: Ni<br></div><div>Functional: PBE<br></div><div> Suggested minimum cutoff for wavefunctions: 75. Ry<br></div><div> Suggested minimum cutoff for charge density: 476. Ry<br></div><div> The Pseudo was generated with a Scalar-Relativistic Calculation<br></div><span> Local Potential by smoothing AE potential with Bessel fncs, cutoff radius: 1.5000</span><br></pre>
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<pre><span>the suggested cutiff is 75 Ry, it is so large for me.</span></pre>
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Best regards,</div>
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Clarence</div>
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City University of Hong kong</div>
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