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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Dear  Sakhraoui,<br>

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The format of .XSF is explained here:<br>

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<a href="http://www.xcrysden.org/doc/XSF.html" target="_blank">http://www.xcrysden.org/doc/XSF.html</a><br>

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<br>

You can plot rho_up -rho_down using plot_num=6 option in pp.x<br>

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<a href="http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PP.html#idm6483344" target="_blank">http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PP.html#idm6483344</a><br>

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<br>

<br>

Regards,<br>

Mostafa<br>

MIT<br>

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