In the archive I have seen a discussion suggesting use of occupations=fixed to find out the ground state energy of isolated oxygen atom accurately. Can I use the same (occupations=fixed) for metal also. Because in the pw document it is told to use only for insulators. <br clear="all">
<br>-- <br>U.Saibabu<br>PhD student,<br>Deformation mechanisms modeling group,<br>Materials engineering department,<br>IISc Bangalore,<br>India.<br><br>