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<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap">Dear QE developers and users,</p>
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<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap"><span style="font-size: 12pt;">Could somebody explain how to modify Coulomb potential in QE code? Is there a specific subroutine in QE package in which Coulomb potential is addressed?</span><br>
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<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap">Actually I am interested in the procedure that has been done in the following paper:</p>
<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap">https://journals.aps.org/prb/pdf/10.1103/PhysRevB.94.085415</p>
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<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap">Thanks in advance.</p>
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<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap">Regards,</p>
<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap">Zahra Khatibi</p>
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<p style="margin-left:0px; margin-right:0px; white-space:pre-wrap"><font face="Calibri,Arial,Helvetica,sans-serif,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 10pt;">Condensed matter
division,</span></font><br style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 16px;">
<font face="Calibri,Arial,Helvetica,sans-serif,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 10pt;">Physics department,</span></font><br style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 16px;">
<font face="Calibri,Arial,Helvetica,sans-serif,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 10pt;">Chalmers university of technology,</span></font><br style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 16px;">
<font face="Calibri,Arial,Helvetica,sans-serif,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 10pt;">Goteborg, Sweden</span></font>
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