s set up with the input keyword nvirtualg or nvirtualw. Actually the virtual orbital space is determined by the minimum MIN(nvirtualg,nvirtualw).</li><br>
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<a name=w_screening><li>                 <span style="display:inline-block;background:#EEEEEE;width:400px">               <b>w_screening</b>  </span>  
<br><br>
<i>Optional</i><br>
Default: rpa<br><br>
Selects the approximation of the screening W in GW and beyond. Standard GW needs 'rpa'</li><br>
<hr>
<a name=excit_dir><li>                 <span styl